TY  - BOOK
AU  - Katz, William A..
TI  - Introduction to Reference work: Reference Services and Reference Processes / 
SN  - 0-07-033332-7
U1  - 2:12 
PY  - 1991///
CY  - New York : 
PB  - McGraw-Hill Book Company , 
KW  - Reference Service
ER  -