TY  - BOOK
AU  - Lefkovitz,David
TI  - Data management for on-line systems
SN  - 081045100X
AV  - QA76.6 .L42
U1  - 001.6/4 
PY  - 1974///]
CY  - Rochelle Park, N.J.
PB  - Hayden Book Co.
KW  - Online data processing
KW  - Local
KW  - Electronic digital computers
KW  - Programming
N1  - Includes bibliographical references
ER  -