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 CD-ROM with an emphasis on aspects that librarians need to know. The topics covered include the technology; installations and cost; advantages and disadvantages for libraries; products of interest to librarians; and selection issues. Other optical storage media are described and sources for further information are provided. (37…

Discusses how the lack of information infrastructures supporting scientific and technical research hampers attempts to transfer certain information technologies, such as online database searching, to developing nations. It is argued that laserdisk information storage technologies, such as CD-ROM, conform more closely to the prevailing conditions…

Discussion of the cost effectiveness of searching online versus searching on CD-ROM highlights an example that compares costs for searching the ERIC database. Fixed costs and variable costs are described, labor costs are examined, implications for management are considered, and the effect of the number of databases and workstations is discussed.…