Breitbard, Gary Y. and Wiederhold, Gio "The ACME compiler" pp358-365

Morrell, A. (1968) Morrell, A. J. H. (Ed.): Information Processing 68, Proceedings of IFIP Congress 1968, Edinburgh, UK, 5-10 August 1968  

Languages mentioned PL/ACME {1966} PL/I dialect for medical applications