LAGRIF: A Pictorial Non-Programmer-Oriented Request Language for a Relational Data Base Management System.

Serge Miranda Jean Nsonde José Busta LAGRIF: A Pictorial Non-Programmer-Oriented Request Language for a Relational Data Base Management System. 173-204 1982 JCDKB db/conf/jcdkb/jcdkb82.html#MirandaN82