A Note on Cheney's Nonrecursive List-Compacting Algorithm CACM April, 1972 Walden, D. C. list compacting, garbage collection 4.19 4.49 CA720412 JB January 31, 1978 12:32 PM 2156 4 2361 2361 4 2361 2513 4 2361 2736 4 2361 2855 4 2361 3074 4 2361 3106 4 2361 3112 4 2361 1972 5 2361 2361 5 2361 2361 5 2361 2361 5 2361