TY  - BOOK
AU  - Katz, William A.,
TI  - Introduction to reference work
SN  - 007033353X
U1  - 025.52 KAT 
PY  - 1973///-74, c1974]
CY  - New York
PB  - McGraw-Hill
KW  - Reference services (Libraries)
KW  - Reference books
KW  - Bibliography
N1  - Includes bibliographies
ER  -