
ERIC Number: EJ062392
Record Type: Journal
Publication Date: 1972
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A Natural Documentation Retrieval System for Macromolecular Chemistry
Ulbrich, Raimund; Wierer, Jutta
Journal of Chemical Documentation, 12, 3, 148-152, Aug 72
An indexing system for chemistry and technology of macromolecular substances is sketched out, whose characteristics are convenience of use and low cost. The selection mechanism consists of a set of optical coincidence cards. The selection is a result of 15 years experience in the German Plastics Institute. (13 references) (Author)
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