Voorhees, Edward A. "Recollections of the 701 at Los Alamos" pp177-178

[AOHC] (1983) Annals of the History of Computing, 05(2) April-June 1983 IEEE (IBM 701 Issue)  

Languages mentioned DUAL {1953} autocoder with emulated floating point DUAL-607 {1953} Los Alamos Macro-assembler for IBM 701