TY  - BOOK
AU  - Martin,E.Wainright
AU  - Perkins,William C.
TI  - Computers and information systems: an introduction
SN  - 0256014523
AV  - HF5548.2 .M339
U1  - 001.6/4 
PY  - 1973///
CY  - Homewood, Ill.
PB  - Irwin
KW  - Business
KW  - Data processing
KW  - Information storage and retrieval systems
N1  - Includes bibliographies
ER  -