TY  - BOOK
AU  - Bonk, Wallace John
AU  - Magrill, Rose Mary.
TI  - Building library collections
SN  - 0810812142
U1  - FOR 025.21 W15b 1979 
PY  - 1979///
CY  - Metuchen, N. J.
PB  - The Scarecrow Press, Inc., 
KW  - Collection development (Libraries)
N1  - Includes index.
ER  -