Jon M. Kerridge L. Burnard Stephen J. Cannan J. Chapman M. Davis P. Doyle M. Eden R. A. Elbra J. O. Jefferys T. Khallaghi Gerard A. M. Otten A. Stone M. Reilly H. M. Robinson J. Toller I. Watson British Computer Society / CODASYL Database Administration Working Group (DBAWG): An Access Control System For Database Languages. 25-38 1985 BNCOD db/conf/bncod/bncod85.html#KerridgeBCCDDEEJKOSRRTW85