Fortran extended GRAph Algorithmic Language. A Fortran extension for handling sets and graphs. "On a Programming Language for Graph Algorithms", W.C. Rheinboldt et al, BIT 12(2) 1972.
FGRAAL
Meaning of FGRAAL in English
FOLDOC computer English dictionary. Английский словарь по компьютерам FOLDOC. 2012