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THE 31st annual meeting of the Library Association passed off very comfortably at Brighton, and if nothing particularly momentous occurred affecting librarianship, everybody enjoyed the various entertainments and the breezy weather. Brighton certainly deserved the title to breeziness which it claims, because it was stormy nearly every night or early morning during the run of the Conference, and members must be congratulated on the lucky manner in which it was found possible to dodge the showers.

The paper describes a new and original method of utilising known design features of 4‐stroke and 2‐stroke trunk piston diesel engines for the purpose of enabling accurate selection of the correct type of lubricating oil to be made, in terms of performance level. Assessment is made on the basis of matching test engine parameters with those of the engine under examination. Slow speed crosshead 2‐ and 4‐stroke diesel engines with separate cylinder lubrication are not included. The important parameters of piston speed, b.m.e.p, heat input factor, and fuel sulphur content are used and graphs are provided which permit rapid selection of the type of lubricant most suited to meet the engine requirements. Lubricants are graded in terms of their ability to meet well known specifications which define performance standards by engine test techniques.

The participation of women in contemporary non-state armed groups is an undeniable fact. In recent years, research in international politics has provided a more complex view of both the scale and nature of their contributions, as well as why women choose to engage in political violence – when they do indeed choose to do so. This chapter offers an overview of the literature in this area, while expanding the discussion towards new and emerging questions. In particular, the chapter seeks to engage a growing literature on the legal and social aspects of women's involvement in armed conflict. Discussing women's roles as perpetrators of atrocity and war crimes – including as agents of torture, sexual violence and genocide – it addresses concerns about the meaningful integration of gender into post-conflict and transitional justice processes. This includes discussions about agency and the problematic entanglement of victim/perpetrator narratives in the cases of female ex-combatants.

Discusses the radioactive gas radon and its effects on the legal obligations of surveyors and other professionals concerned with the designing, refurbishment and appraisal of dwellings. Presents an overview of the problem of radon, concentrating on health issues and summarizing both its measurement and the way in which it enters dwellings. Outlines the protective measures needed to prevent radon entering new homes and existing dwellings, mentioning NRPB guidances. Details the legal implications for surveyors in these two separate situations, discussing suing in respect of physical injuries or death, the event of the property becoming unsaleable and for pure economic loss. Explores the surveyor′s duty in respect to radon and the implications of the Defective Premises Act 1972.

Communications regarding this column should be addressed to Mrs. Cheney, Peabody Library School, Nashville, Term. 37203. Mrs. Cheney does not sell the books listed here. They are available through normal trade sources. Mrs. Cheney, being a member of the editorial board of Pierian Press, will not review Pierian Press reference books in this column. Descriptions of Pierian Press reference books will be included elsewhere in this publication.

Discusses the radioactive gas radon, outlining its structure and how it enters the home. Explores methods of measuring the gas, highlighting research carried out at Bristol University on a plastic material called Tastrak. Exposes the health threat associated with radon and links quantities of the substance with incidences of leukaemia.

The purpose of this paper is to propose an efficient/robust numerical algorithm for solving the two‐dimensional laminar mixed‐convection in a lid‐driven cavity using the mixed finite element (FE) technique.

A numerical algorithm was based on the so‐called consistent splitting scheme, which improved the numerical accuracy of the primitive variables. In order to obtain a stable solution, two choices of mixed FEs, the Taylor‐Hood and Crouzeix‐Raviart types, were used. Two mesh layouts were considered; uniform and non‐uniform.

To verify that the proposed scheme had a second‐order accuracy, some numerical results are presented and compared with the known solution. The answer was confirmative. Numerically accurate solutions were obtained for a fixed Prandtl number, Pr=0.71, for a range of the Reynolds number, Re from 100 to 3,000, and for a range of the Richardson number, Ri from 0.001 to 100. The results from these calculations, using the mixed FE consistent splitting scheme, agreed with the existing ones.

Further extensions of this work could include the influence of various choices of Reynolds numbers, Prandtl numbers and Richardson numbers, and the effect of aspect ratio.

The present work was the first to apply a mixed FE in association with the consistent splitting scheme to the mixed convection problem.

Our nineteenth volume opens with this page in circumstances as unsettled and uncertain as any in the history of this or any other journal. In defiance of prophecy the European conflict drags its colossal slow length wearily along, bearing with it the hopes and fears of the whole human race. It is not to be wondered at that the aims for which we strive have not made great strides in the year that has just closed. Important as we recognize literature and its distribution to be, the pressing material needs of the people often cause them to lose sight of the invincible fact that the freedom of the human spirit, its intellectual and humane expansion, are, after all is said, the ultimate aims of the war. It will not be of abiding service to the British race if in conquering the Germans we sacrifice beyond redemption all those sources of sweetness and light which have been the outcome of centuries of British endeavour. We do not fear that such sacrifice will be demanded of us, but the logic of material facts demonstrates that all who care for schools, libraries, museums, art galleries, music, and all other agencies for the moral and spiritual uplifting of men, must be on their guard against the well‐meaning but ignorant encroachments of those who would rather “save money” by abolishing them, than, for example, by foregoing their own individual luxuries.

A distinction must be drawn between a dismissal on the one hand, and on the other a repudiation of a contract of employment as a result of a breach of a fundamental term of that contract. When such a repudiation has been accepted by the innocent party then a termination of employment takes place. Such termination does not constitute dismissal (see London v. James Laidlaw & Sons Ltd (1974) IRLR 136 and Gannon v. J. C. Firth (1976) IRLR 415 EAT).