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Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Reports and Technical Memoranda of the United States National Advisory Committee for Aeronautics and publications of other similar Research Bodies as issued

JANET(the Joint Academic Network) is a wide‐area network linking together computers and users in British universities, polytechnics, establishments of the research councils, and the British Library. It provides for interactive working, file transfer, electronic mail and job transfer. Online access is possible to many catalogues of university and polytechnic libraries, the British Library's BLAISE‐LINE and ARTel services, and various bibliographic and numeric databases held on university computers. Users registered for electronic mail can use Janet to send this kind of mail to other sites in Britain, or overseas through the EARN, BITNET, and NORTHNET combined network. There are two‐way gateways between Janet and British Telecom network PDN, allowing access to commercial online hosts in Great Britain or overseas. These gateways can provide a faster and cheaper alternative to dial‐up use of PDN.

Preface The functions of business divide into several areas and the general focus of this book is on one of the most important although least understood of these—DISTRIBUTION. The particular focus is on reviewing current practice in distribution costing and on attempting to push the frontiers back a little by suggesting some new approaches to overcome previously defined shortcomings.

To understand how the Take Home Naloxone (THN) program is implemented in two pilot correctional facilities in British Columbia (BC), Canada, in order to identify areas for program improvement and inform the expansion of the program to other Canadian correctional facilities The paper aims to discuss these issues.

Two focus groups and one interview were conducted with healthcare staff at two pilot correctional facilities. Sessions were audio recorded, transcribed verbatim and divergent and convergent experiences within and between the facilities were explored in an iterative process. Key themes and lessons learned were identified and later validated by focus group participants.

Key themes that emerged included: challenges and importance of the train-the-trainer program for healthcare staff conducting participant training sessions; potential for improved prison population engagement and awareness of the program; tailoring program resources to the unique needs of an incarcerated population; challenges connecting participants to community harm reduction resources following release; and clarifying and enhancing the role of correctional officers to support the program.

The correctional setting presents unique challenges and opportunities for the THN program that must be considered for program effectiveness.

This evaluation was conducted to inform program expansion amidst a historic opioid overdose epidemic in BC, and adds to the limited yet growing body of literature on the implementation and evaluation of this program in correctional settings globally.

The purpose of this paper is to analyse dynamics amongst members to better understand in what terms and to what extent marketplace forums can be seen as new forms of harm reduction.

This is a qualitative analysis focused on conversations about psychoactive substances on the forum community of AlphaBay Market. A sample consists of 100 online threads. The data, collected in July 2016, were analysed by applying the grounded theory approach with the support of Atlas.ti.

Conversations in the marketplace forum focus mostly on the purchase. Concerns and disputes are voiced in a significant proportion of them, and interactions are affected by a climate of distrust where stigmatisation processes can emerge between users of different drug categories. This casts a certain amount of doubt on the thesis that marketplace forums – like online forums – are new forms of harm reduction and peer-led communities.

The study focuses on only one marketplace forum. Other such forums should be analysed to corroborate its findings.

Harm reduction interventions in the online environment should take different form according to the forum type, and take the differences and boundaries that separate users of different substances into account.

Thanks to its infrequently used qualitative approach, the study provides a more thorough understanding of the relationships on marketplace forums.

The problem of the determination of delivery areas from given depot locations can frequently be complex. In this article the authors present a simple technique for developing depot boundaries for own‐fleet operation.

In an article in the previous issue of the International Journal of Physical Distribution, a technique for developing depot boundaries for own‐transport distribution was outlined. The algorithm for determining Delivery Areas From Fixed Own Depot Inventory Locations — DAFFODIL for short — is based upon the delineation of two boundaries surrounding the depot location: the time‐constraint boundary and the cost equalization boundary. They are determined by feeding values into two key formulae:

The chapter provides a general review of the policy debate around the provision of formal Park-and-Ride (P&R) facilities and the empirical research evidence about travellers’ responses to the opportunities they present, drawing on evidence from the United Kingdom and the Netherlands. The effects of the schemes on road traffic and car dependence are considered.

The different ways in which private vehicles and public transport are combined during journeys are reviewed. The position of P&R is considered as a modal variant within a ‘socio-technical system’ competing with the more established journey options of fully private and fully public transport. Scenarios which can maximise the traffic reduction and sustainable development potential of P&R are examined.

The review of the policy context establishes that a range of policy objectives are conceived for P&R depending on different professional and citizen perspectives. There is partial understanding amongst local authorities about the effectiveness with which P&R addresses the range of objectives in practice. The key travel behavioural findings are that only a portion of P&R users’ car trips are shortened. Hence, overall increases in car use occur, combined with overall reductions in public transport use, and in some cases less active travel. Where dedicated public transport services are operated, these are also a further source of additional traffic.

P&R implementations are generally successful where they are explicitly for providing more parking for economic growth or traffic management reasons, rather than to enhance sustainable mobility. The essential conditions for traffic reduction to occur in future are a strategic subregional integrated parking and public transport strategy which achieves interception of car trips early and ensures public transport services remain attractive for a range of access modes.

The chapter provides a synthesis of work by a number of leading authors on the topic and includes elements of originality in the combination of the established knowledge, the addition of novel insights, and in overall interpretation.

The place of the international physical distribution function (or shipping function as it is conventionally called in the United Kingdom) has been largely neglected in the area of logistics or physical distribution studies. This neglect, in particular of the export shipping function, is surprising in a country such as the United Kingdom which is so dependent upon international trade. The export shipping function cannot be regarded as merely an extension of the domestic physical distribution function. In many instances it has separate personnel who undertake a range of functions which may, individually, be just as closely associated with finance and accounting as with physical distribution. The separate tradition of the export shipping function means that it may not be conveniently accommodated into a logistics framework which attempts to integrate the domestic and international movement of goods.