TY  - BOOK
AU  - Townley,Helen M.
TI  - Systems analysis for information retrieval
T2  - Monograph series - Institute of Information Scientists
SN  - 0233969209 :
AV  - Z 699 .T68
U1  - 029.7 
PY  - 1978///
CY  - London, Boulder, Colo.
PB  - A. Deutsch in association with the Institute of Information Scientists, distributed by Westview Press
KW  - Information storage and retrieval systems
KW  - System analysis
N1  - Includes index; Bibliography: p. [110]-115
ER  -