University of Maryland, College Park. School of Library and Information Services, Wellisch, H. H., Wilson, T. D., & University of Maryland, C. P. S. o. L. a. I. S. (1972). Subject retrieval in the seventies: New directions. Greenwood Pub. Co..
MLA CitationUniversity of Maryland, College Park. School of Library and Information Services, et al. Subject Retrieval in the Seventies: New Directions. Greenwood Pub. Co., 1972.
Warning: These citations have been automatically generated and may not always be 100% accurate..