TY  - BOOK
AU  - x, x
AU  - Katz,Bill
TI  - Reference and information services : a reader 
SN  - x   
U1  - Ref. 028.7/KAR  
PY  - 1978///
CY  - London 
PB  - The scarecrow Press 
KW  - Reference books
KW  - Bibliography
N1  - Includes
ER  -