Liu, Y.A., Stoller, S.D.,
"From recursion to iteration: what are the optimizations",
2000 ACM SIGPLAN Workshop on Partial Evaluation and Semantics- Based Program Manipulation (PEPM'00), Boston, MA, USA, ACM SIGPLAN, January 2000, pp. 73-82.
abstract ;;Quote: transform recursion to iteration to eliminate stack frames; based on input increment; constant extra space