TY  - BOOK
AU  - Alexander,M.J.
TI  - Information systems analysis: theory and applications 
SN  - 0574191003
AV  - T58.6 .A4 1974
U1  - 658.403 
PY  - 1974///
CY  - Missoruri
PB  - Scicnec Research Associates
KW  - Information system
ER  -