A preliminary design of a data retrieval language to handle a generalized data base: DRL.
Series: NBS technical note 590; NBS technical note ;; 590.
Publisher: National Bureau of Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 18
Subjects: DRL (Computer program language)
Notes: Includes bibliographical references.
"A United States Department of Commerce publication."