LIS
Langage Implementation Systeme
Jean Ichbiah, 1973
A predecessor of Ada, influenced by Pascal's data structures and Sue's control structures. A type declaration may have a low-level implementation specification.
"The System Implementation Language LIS", Jean D. Ichbiah et al, CII Honeywell-Bull, TR 4549 E/EN, Louveciennes France (Dec 1974).
"The Two-Level Approach to Data Independent Programming in LIS", Jean D. Ichbiah et al, in Machine Oriented Higher Level Languages, W. van der Poel ed, North-Holland 1974, pp.161-169.