TY  - BOOK
AU  - Katz, William A.
TI  - Introduction to Reference Work 1
SN  - 0170335370
U1  - 025.52 
PY  - 1987///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Reference Books
KW  - Reference Services Libraries
N1  - YY; v. 1. Basic Information Sources
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-17-033537-0.pdf
ER  -