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This month, I'd like to share some nifty utility programs I've come across. Every one can be created in just a few minutes, using DEBUG. (Review: DEBUG.COM, which is provided with DOS, provides direct access to the system memory and has facilities for reading from and writing to disk.) For each utility program, I'll provide the sequence of DEBUG commands that will create the program file and a description of how to use the program once you have created it. Let's get to it!

The purpose of this paper is to determine the overall currency of electronic books in the Safari database; to determine currency and release policies of the individual publishers who contribute books to the Safari database; to compare the usage patterns of Safari books to their print counterparts at Texas A&M University; and to discuss the impact of the Safari e‐book collection and chosen purchase model upon collection management at the university.

To determine currency of titles in Safari, the availability of the most recent edition of a title in the Safari database was checked against the availability of the print edition on the publisher's website. To determine the publishers' release policies, a questionnaire was developed and e‐mailed to them.

Of the titles in the Safari database 98.4 percent were the most current edition available. Release policies of the major Safari publishers (O'Reilly and Pearson) indicate that the electronic version of a title is released when the print version is sent to press. No Starch Press, a minor Safari publisher releases its books in Safari 90 days after the print goes on sale. Thomson would not make this information public and the remainder did not respond to the questionnaire.

Subscription to the Safari database (current file) makes available to multiple users the most current computer science and information technology books released by popular publishers. It eliminates the need to expend funds for multiple and replacement copies of this highly requested material.

The current file purchase model assumes that the most recent editions of these popular books are available in Safari. The study indicates that librarians and patrons can be assured that they are accessing the most current editions available.

It's been three years since my previous survey in RSR. Superb reference books in pop music have been appearing so frequently that I've been having trouble keeping up. Let's hope “next year's” survey will only be 12 months in the making and not 36.

The purpose of this paper is to address the problem of content immutability and integrity of online scientific periodicals on the sites of small publishers that can be violated not only by the external hack of the publisher’s site but also by publisher’s and author’s misconduct or by submitting different versions of a periodical to different sites.

The authors defined a list of requirements that verify online scientific publications immutability and integrity. Then, the authors analyzed existing projects and recently emerged information on security technologies and identified challenges met during the development and testing. The use of the public blockchain network Ethereum as a secure storage location for data was explained.

The authors developed the method of checking online scientific periodicals for immutability and presented ecosystem architecture to control immutability and integrity of data. On the example of the online periodical “Istoriya”, it was demonstrated how the immutability of online scientific publication has been verified with the use of the public blockchain over a six-month period. First, operating results were evaluated; challenges hampering the implementation of the suggested ecosystem on Ethereum now were identified; and potential advantages of the suggested approach as compared to similar projects were discovered.

The considered prototype is not a ready-to-use system, but in future providing higher transparency and the development of general distributed ecosystem small publishers will have new opportunities for development given that the issues of scalability, reliability and operating speed on a public blockchain will be addressed. Introduction of the described ecosystem may even provoke some changes on such conservative market as that of publishing of academic papers.

This research is one of the first attempts to expand digital object identifier technology with the use of additional verifications based on the data storage and search in the public blockchain. The suggested idea is the example of “blockchainified science” that was brought to implementation in a real online journal. This method has some advantages compared to Crossmark service.

“Since films attract an audience of millions, the need and appetite for information about them is enormous.” So said Harold Leonard in his introduction to The Film Index published in 1941. The 1970's has produced more than enough — too much — food to satisfy that appetite. In the past five years the number of reference books, in this context defined as encyclopedias, handbooks, directories, dictionaries, indexes and bibliographies, and the astounding number of volumes on individual directors, complete histories, genre history and analysis, published screenplays, critics' anthologies, biographies of actors and actresses, film theory, film technique and production and nostalgia, that have been published is overwhelming. The problem in film scholarship is not too little material but the senseless duplication of materials that already exist and the embarrassing output of items that are poorly or haphazardly researched, or perhaps should not have been written at all.