TY  - BOOK
AU  - Katz, William A
TI  - Introduction to reference work : : basic information sources
SN  - 007033339
U1  - 028.7 
PY  - 1978///
CY  - New York
PB  - Tata Mcgraw Hill
KW  - Library science
KW  - Information science
KW  - Information media
KW  - Information sources
KW  - Reference work
N1  - vol : 1
ER  -