"General Panel Discussion: Is a Unification ALGOL-COBOL, ALGOL-FORTRAN Possible? The Question of One or Several Languages" pp833-849

(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 FORTRAN VI {1963}