Pacelli, M. ; Gavioli, D.; Palermo, G. and Picciafuoco, U. "PALGO: An Algorithmic Language and its Translator for Olivetti ELBA 6001"

(1962) Symbolic Languages in Data Processing, in the Proceedings of the Symposium organized and edited by the International Computation Centre, Rome, Italy, March 26­31, 1962, Gordon and Beech Science Publishers, 1962.  

Languages mentioned PALGO {1962} Olivetti Algol 60 variant with lambda calculus