The practical advice for the evaluation of laser/optical data disk materials (e.g., CD-ROM) is based on a review of the relevant literature. An evaluation framework is outlined and collection development tools and sources of published reviews are identified. (34 references) (Author/CLB)

Discusses environmental science and environmental education in Canada and describes sources of environmental information currently available. Highlights include environmental databases; environmental information online, including indexing and abstracting services as well as full-text coverage; and the growing amount of environmental information on…

Discusses the variety of search command languages among online systems and provides suggestions for creating online information retrieval manuals using a database management system such as dBASE III PLUS. An online systems comparison chart is included for INFOGLOBE, INFOMART, DIALOG, QUICK LAW, and REUTERS TEXTLINE. (LRW)

This analysis of trends in the Canadian library systems marketplace in 1986, compares installations of large integrated systems and microcomputer based systems by relative market share, and number of installations by type of library. Canadian vendors' sales in international markets are also analyzed, and a director of vendors provided. (Author/CLB)