The Free On-line Dictionary of Computing (30 December 2018):
Vlisp
1. A Lisp dialect developed by Patrick Greussay
in about 1973 with a fast interpreter and a
portable virtual machine. Vlisp introduced the
"chronology", a dynamic environment for implementing
interrupts. It led to Le_Lisp. See also ObjVlisp.
["Contribution a la Definition Interpretive et a
l'Implementation des Lambda-Langages", P. Greussay, These
d'Etat, U Paris VI, Nov 1977].
[Relationship to Vincennes LISP?]
2. Vincennes LISP.
(2008-03-16)