System R: A Relational Data Base Management System.
Morton M. AstrahanMike W. BlasgenDonald D. ChamberlinJim GrayW. Frank King IIIBruce G. LindsayRaymond A. LorieJames W. MehlThomas G. PriceGianfranco R. PutzoluMario SchkolnickPatricia G. SelingerDonald R. SlutzH. Raymond StrongPaolo TiberioIrving L. TraigerBradford W. WadeRobert A. YostPublished in: Computer (1979)