PDEF, a standard file format for data interchange
By: Michael M. McDonnell.
Contributors: U.S. Army Engineer Topographic Laboratories.
Publisher: U.S. Army Corps of Engineers, Engineer Topographic Laboratories
Published: 1991
Place of publication: Fort Belvoir, Va
Language: eng
Format: Microform
Number of pages: 51
Subjects: File organization (Computer science); Geographic information systems.
Other titles: Standard file format for data interchange.
Notes: Cover title.

Distributed to depository libraries in microfiche.

Shipping list no.: 92-2350-M.

"January 1991."

"ETL-SR-7."

Includes bibliographical references (p. 11).

Final. 1 June 1989 - 1 June 1990.

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1992] 1 microfiche : negative. 

4A161102B52C, CO, 014.