TY - BOOK AU - Katz William A. TI - Introduction to reference work T2 - McGraw-Hill series in library education; 7 U1 - 2:7, L4;M2.1-.2-;2 PY - 1982/// CY - New York PB - Mcgraw-Hill Book Co. KW - LIBRARY SCIENCE N1 - Contents v 1 :Basic information sources (xii,398p) v 2 : Reference services & Reference Processes , 309p) ER -