Collins, George E., "Computing Time Analyses for Some Arithmetic and Algebraic Algorithms"

Tobey (ed) (1969) Tobey, R. G. (ed) Proceedings of the 1968 Summer Institute on Symbolic Mathematical Computation, IBM Federal Systems Center, Gaithersburg, Maryland, July-August 1968, IBM Programming Laboratory Report No. FSC-69-0312 (proceedings published June 1969).  

Languages mentioned SAC-1 {1967} Symbolic Algebraic Computing