File structures for on-line systems.

Bibliographic Details
Main Author:	Lefkovitz, David, 1936-
Format:	Book
Language:	English
Published:	New York : Spartan Books, [1969]
Subjects:	Information storage and retrieval systems. Online data processing.

Description
Physical Description:	215 pages : illustrations ; 25 cm.
Bibliography:	Bibliography: page 211.