Information retrieval today : papers presented at the institute conducted by the Library School and the Center for Continuation Study, University of Minnesota, September 19-22, 1962. / Simonton, Wesley C., ed. University of Minnesota. Library School. University of Minnesota. Center for Continuation Study. Information retrieval Congresses. Z699 .S5 010.78 SII Minneapolis, Center for Continuation Study, University of Minnesota, 1963. 1963. 1963 Text 176 p. eng