This description of Info Trac, a laser disc periodical reference system, reviews professional reactions to the system and several user studies. Criticisms are discussed to define the role of such systems in research libraries, and data are presented in five tables. (17 references) (MES)

Discusses the use of optical disk technology in online searching and compares three versions of the ERIC database currently available on optical disk in terms of hardware requirements, ease of installation, scope and cost of the system, search procedures, displaying and printing results, and documentation and user support. (CLB)

Describes and evaluates a project which examined the feasibility of converting the University of Illinois' ILLINET Online Union Catalog to optical format, allowing users across the state to search the database using microcomputers. The evaluation focused on the impact on interlibrary loans and on the reactions of librarians and users. (CLB)

This digest begins with a brief discussion of the current status of the relatively recent phenomenon of online searching in schools. The advantages and disadvantages of online access in this context are then outlined, and some suggestions are offered for school library media specialists who wish to initiate online information retrieval for their…

Describes the experiences of high school students using microcomputers to access an electronic version of an encyclopedia in the school's media center. The topics discussed include hardware and software requirements of the CD-ROM format, information seeking strategies and problems observed, student satisfaction with the system, and recommendations…