Manove, M., Bloom, S, and Engelman, C. "Rational functions in MATHLAB" pp86-102

Bobrow, D. G. (ed) (1968) Bobrow, D. G. (ed) "Symbol Manipulation Languages and Techniques", Proceedings of the IFIP Working Conference on Symbol Manipulation Languages. North-Holland Publishing Co., Amsterdam, 1968  

Languages mentioned MATHLAB {1964} Interactive maths language