The relational data file and the decision problem for classes of proper formulas
By: R.A. DiPaola.
Series: Rand Corporation. Rand report -- R-661-PR.; R (Rand Corporation) -- R-661-PR.
Publisher: Rand
Published: 1971
Place of publication: Santa Monica, Ca
Language: eng
Number of pages: 19
Subjects: Information storage and retrieval systems.; Information theory.
Notes: "A report prepared for United States Air Force Project Rand."