ADA/SQL: A Standard, Portable ADA-DBMS Interface. - Fred J. Friedman; Bill R. Brykczynski (ICDE, 1986)

Reference Model for Ada Interfaces to Database Management Systems. - Fred J. Friedman; Arthur M. Keller; John Salasin; Gio Wiederhold; Murray R. Berkowitz; David L. Spooner (ICDE, 1986)