TY - BOOK AU - Shirato,L. TI - Judging the validity of information sources: teaching critical analysis in bibliographic instruction : papers and session materials presented at the Eighteenth National LOEX Library Instruction Conference held at Eastern Michigan University, 11 to 12 May 1990, and related resource materials gathered by the LOEX Clearinghouse SN - 087650294X AV - DUCE ZF11.2.N37 PY - 1991/// CY - Ann Arbor, Mich. PB - Pierian Press KW - Library orientation KW - Congresses N1 - Includes bibliographical references ER -