TY  - GEN
AU  - Townley Helen M
TI  - Systems analysis for information retrieval / 
T2  - Monograph series - Institute of Information Scientists
SN  - 0233969209
AV  - Z699  
PY  - 1978///
CY  - London : |b A. Deutsch in association with the Institute of Information Scientists ; , Boulder, Colo.
PB  - Westview Press, 
KW  - Information storage and retrieval systems
KW  - System analysis
N1  - Includes index; Includes bibliographical references
ER  -