id author title date pages extension mime words sentence flesch summary cache txt crl-11653 Kaser, David Vermont Imprints, 1778-1820 (Book Review) 1964-01-01 2 .pdf application/pdf 1530 85 60 A model is developed for study and evalu- ation of coordinate retrieval systems and applied to several collections. Such a survey is a necessary prerequisite to the possi- ble support of centralized document searching facilities in the future, to insure that such fa- cilities will serve real functions, and that they will in fact be used. cache/crl-11653.pdf txt/crl-11653.txt