The National Library of Medicine has eight international MEDLARS quid-pro-quo arrangements with the United Kingdom, Sweden, France, West Germany, Japan, Australia, Canada and the World Health Organization. Policy aspects of these arrangements are discussed as well as the organizational and operational characteristics of the non-U.S. Medlars…

The direct-chaining technique of hash coding is generalized in a manner that is useful for storing records on the basis of non-unique search keys. Two hash functions are used, a process implying a tree structure. Two models, one involving unique and the other non-unique keys, are presented. (7 references) (Author/KE)

If you have a 35mm camera, an enlarger or filmstrip projector, and developing equipment you can introduce your drafting students to one of the processes used in the newly emerging field of technical communication.'' (Editor)

Chemical structure diagrams are considered as utterances in a written language. Two types of grammars are considered for this language: topological grammars and geometric grammars. The hypothesis is presented that compact computer storage may become accessible via grammars. (15 references) (Author/NH)

Methods to improve bringing the ERIC knowledge base to the attention of practitioners emphasizing the use of informal communication are suggested. (NH)

Describes current developments in ultramicrbrarians need new approaches and continuing education to meet the challenges of new technology. (JS)

Virtual scatter storage schemes are well suited dictionaries, having both rapid lookup and economy of storage. (MF)

The computer system described was developed as a departmental aid in locating documents for use as teaching material or for research purposes in the area of information science. The data base of about 2,000 records includes a departmental library of manuals, reports, technical literature, and reprints, as well as journal references and book…

Describes sources from which the Educational Resources Information Center (ERIC) Clearinghouse on Reading obtains materials and discusses the criteria by which these materials are selected for acquisition. (MD)

Discusses the superiority of vertical filing of maps in compressor-style vertical units over horizontal filing in drawers, emphasizing such factors as physical protection of the collection, ease of filing and retrieval, and efficient use of space. Disadvantages of vertical filing are also reviewed. (Author/JL)

Focusing on the 5-1/4" floppy disk commonly used with microcomputers, this guide to magnetic disks gives a description of their physical appearance and how they function as information storage devices and provides suggestions for their care and maintenance. A glossary of disk-related terms is included. (EAO)