Sevcik, K.C., Atwood, J.W., Grushcow, M.S., Holt, R.C., Horning, J.J., and Tsichritzis, D., "Project SUE as a Learning Experience"

[AFIPS] (1972) [AFIPS] Proceedings of the 1972 Fall Joint Computer Conference FJCC 41  

Languages mentioned Sue {1971}