TY - BOOK AU - TI - Intoduction to Reference Work,Volume 1: Basic Information sources SN - 0-07-033537-0 U1 - 025.52 KAT 5th PY - 1987/// CY - New York PB - McGraw-Hill company KW - REFERENCE SERVICES(LIBRARIES),REFERENCE BOOKS N1 - Includes Bibliographies and Index ER -