TY  - BOOK
AU  - Katz,William A.
TI  - Introduction to reference work
T2  - McGraw-Hill series in library education
AV  - Z711 .K32
U1  - 011/.02 
PY  - 1969///]
CY  - New York
PB  - McGraw-Hill
KW  - Reference services (Libraries)
KW  - Reference books
N1  - Includes bibliographies; v. 1. Basic information sources.--v. 2. Reference services
ER  -