Morton M. Astrahan, Mario Schkolnick, et al.
Information Systems
Morton M. Astrahan, Mario Schkolnick, et al.
Information Systems
Shamkant B. Navathe, Mario Schkolnick
SIGMOD 1978
Donald D. Chamberlin, Morton M. Astrahan, et al.
CACM
Mario Schkolnick, Paolo Tiberio
COMPSAC 1979