ItemUSMARC Format Integration, Part I: What, Why, and When?(The Public-Access Computer Systems Review, 1992) Caplan, PriscillaIntroduces and briefly describes modifications to the Library of Congress cataloging rules, to be implemented January 1, 1994, which will allow catalogers to describe multiple formats in a single bibliographic record using both fixed and variable field data. ItemTwo Steps Forward, One Step Back(The Public-Access Computer Systems Review, 1992) Crawford, WaltProvides several examples of drawbacks encountered when technological improvements are applied to the public access of library databases. Suggests that technological advances all carry some trade-off and that they should be employed cautiously. ItemNonbibliographic Applications of Z39.50(The Public-Access Computer Systems Review, 1992) Kunze, John A.Describes the use of the Z39.50 information retrieval protocol as the basis for Infocal, a read-only, client/server-based campus information system. Technical considerations in adapting the protocol to nonbibliographic data, including semantic modules, dynamic attribute sets, and dynamic record syntax, are described in detail.