by Daniel R. Rehak, and Leonard A. Lopez "Translating Problem-Oriented Languages" pp33-42

Journal of the Technical Councils of ASCE, Vol. (1979) Journal of the Technical Councils of ASCE, Vol. 105, No. 1, April 1979  

Languages mentioned GENESYS {1969} Animation language at Lincoln ICES {1961} Integrated Civil Engineering System POLO {1972} SCAN {1979}