The entity-relationship model
Subtitle: toward a unified view of data
By: by Peter Pin-Shan Chen.
Series: WP ; 913-77; CISR ; 30; Working paper (Sloan School of Management) -- 913-77.; Report (Alfred P. Sloan School of Management. Center for Information Systems Research) -- no. 30.
Publisher: M.I.T. Center for Information Systems Research
Published: 1977
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 36