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PDF pending restorationHalpin, Peter – 1978
This thesaurus presents the specialized terminology and air pollution indexing terms used for the storage of, and search for, information in the Air Pollution Technical Information Center (APTIC) data base file, and illustrates the rules formulated for their use. The meanings of the terms are implied rather than defined, being implicit in the…
Descriptors: Air Pollution, Classification, Databases, Indexes
Toombs, William; Wilkinson, Robert – 1983
A catalog of research units in Pennsylvania is presented as part of the Pennsylvania Research Inventory Project. This project focuses on research units that have a defined focus of interest, specialized professional personnel, funding or budgeted support, and distinctive products and/or outcomes. The catalog lists research units in alphabetical…
Descriptors: Business, Classification, Databases, Directories
