The LRLTRAN compiler. - Sam F. Mendicino; Robert A. Hughes; Jeanne T. Martin; Frank H. McMahon; John E. Ranelletti; Richard G. Zwakenberg (Commun. ACM, 1968)

CDC 6600/7600 optimization. - Richard G. Zwakenberg (Symposium on Compiler Optimization, 1970)

Vector extensions to LRLTRAN. - Richard G. Zwakenberg (Programming Languages and Compilers for Parallel and Vector Machines, 1975)