System R: An Architectural Overview.
Mike W. BlasgenMorton M. AstrahanDonald D. ChamberlinJim GrayW. Frank King IIIBruce G. LindsayRaymond A. LorieJames W. MehlThomas G. PriceGianfranco R. PutzoluMario SchkolnickPatricia G. SelingerDonald R. SlutzH. Raymond StrongIrving L. TraigerBradford W. WadeRobert A. YostPublished in: IBM Syst. J. (1981)