These two reports published by the Commission on Preservation and Access (CPA) include a comparison of digital and microfilm imagery, as well as discussions of chemical deacidification; ASCII (nonimage) files; and storage, conversion, and transmission considerations. A structured glossary of terms relating to media conversion and digital computer…

Describes the general methodology of time and motion studies and reports the results of a study which used this methodology to compare digitization of images in a microcomputer environment with storage of images on microforms. (CLB)

This essay discusses the advantages and limitations of several publishing media--monochrome microforms, online data transmission, and videodiscs. Points to be considered in making a marketable choice as to whether to reproduce material on microform or videodisc are noted. (EJS)

Describes government information available in machine-readable data files--primarily on computer tapes--in relation to other formats and examines requirements for their acquisition, preservation, and utilization in retrieval and reference services. Skill and knowledge adjustments on the part of librarians are also discussed, and a system in use at…