Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

This enlarged and expanded edition is designed to be a valuable resource for librarians and users of information sources, clarifying the bewidering number of new acronyms that appear every year in the information science field. Nearly 30,000 acronyms in 35 languages are listed. As libraries are to a large extent interdisciplinary, the dictionary covers language forms used in computers, publishing, printing, archive management, journalism and reprography, as well as in the library and information science fields Acronyms reproduced here represent institutions, library and information systems, pr.

This information is utilized to determine efficiency factors of individual screens/tests and is combined with cost information to assess screening effectiveness and to provide the proper guidance in determining the optimal screening program for any specific situation. (Author).