Comments on the Implementation of Recursive Procedures and Blocks in ALGOL 60 CACM January, 1961 Irons, E. T. Feurzeig, W. CA610114 JB March 17, 1978 1:13 AM 1234 5 400 321 5 400 400 5 400 400 5 400 400 5 400 196 6 400 944 6 400 321 6 400 385 6 400 400 6 400 400 6 400 401 6 400 402 6 400 402 6 400 404 6 400 3184 6 400 729 6 400