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Sasamoto, Mitsuo; And Others – Journal of Chemical Documentation, 1973
Two systems, WLN and Ringcode, for retrieving structural information were analyzed qualitatively and evaluated for a series of chemical compounds. The studies ranged from specific to generic questions and also involved retrieval by fragments. Neither system was completely satisfactory for all types of searches. (6 references) (Author)
Descriptors: Chemical Nomenclature, Chemistry, Classification, Codification