A Note on Optimal Doubly-Chained Trees CACM November, 1972 Kennedy, S. file searching, doubly-chained tree, binary search tree 3.73 3.74 5.32 5.6 CA721112 JB January 27, 1978 1:26 PM 1050 4 2257 1935 4 2257 1936 4 2257 2017 4 2257 2032 4 2257 2257 4 2257 2257 4 2257 2257 4 2257 2257 4 2257 2360 4 2257 2360 4 2257 2360 4 2257 2451 4 2257 2451 4 2257 2452 4 2257 2452 4 2257 2556 4 2257 2765 4 2257 1831 5 2257 1936 5 2257 2257 5 2257 2257 5 2257 2257 5 2257 2360 5 2257 849 5 2257