Features of a conceptual schema
By: by D. Tsichritzis.
Contributors: University of Toronto. Computer Systems Research Group.
Series: Technical report -- CSRG-56; Technical report CSRG (University of Toronto.  Computer Systems Research Group) -- 56
Publisher: Computer Systems Research Group, University of Toronto
Published: 1975
Place of publication: Toronto
Language: eng
Number of pages: 23
Subjects: Electronic data processing; Database management
Notes: Bibliography: p. 22-23.