Gale directory of databases.
Gale Research Inc.
Detroit : Gale Research,
c1993-
Also available electronically through the online services: Data-Star, ORBIT Search Service, and Questel.
Issued in 2 volumes in multiple parts: Online databases, v. 1; and: CD-ROM, diskette, magnetic tape, handheld, and batch access database products, v. 2.
Vols. published 2008- called 30th ed.- and lack cover date.
Formed by the merger of: Computer-readable data bases; Directory of online databases; and: Directory of portable databases.
Databases
Information storage and retrieval systems
Information services
Machine-readable bibliographic data
Computer-readable data bases
Directory of online databases
Directory of portable databases