System R: Relational Approach to Database Management (1976)

by M M Astrahan, M W Blasgen, D D Chamberlin, K P Eswaran, J N Gray, P P Gri†ths, W F King, R A Lorie, P R McJones, J W Mehl, G R Putzolu, I L Traiger, B W Wade, V Watson
Venue:ACM TODS