Defoe, D.C., Cholleti, S.R., Cytron, R.K.,
"Upper bound for defragmenting buddy heaps",
Proceedings of the 2004 ACM SIGPLAN/SIGBED Conference on Languages, Compilers, and Tools for Embedded Systems (LCTES'05), Chicago, Illinois, USA, June 2005, ACM SIGPLAN & SIGBED, pp. 222-229.
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