Wing Cheung Tam , Walter J. Karplus, PDEL-ID: An extension of PDEL for distributed parameter system identification

[VHLL 1974] (1974) Proceedings of the ACM SIGPLAN symposium on Very high level languages, March 28-29, 1974, Santa Monica, California, United States  

Languages mentioned LEANS {1966} Lehigh Pactolus MOBSSL {1969} Block-Structured Simulation Language PDEL {1968} Partial differential equation system implemented PDEL-ID {1974} Distributed differential equation SLANG {1969} Simulation language