TY  - BOOK
AU  - Katz, William A.
TI  - Introduction to preference work: : Basic information sources
SN  - 007033353-X
U1  - 025.52 
PY  - 1974///
CY  - New York: 
PB  - McGraw Hill Book Company, 
KW  - Library science
KW  - References book
KW  - References service
KW  - Sources of information
ER  -