John M. Mellor-Crummey Michael L. Scott Algorithms for Scalable Synchronization on Shared-Memory Multiprocessors. 21-65 1991 9 ACM Trans. Comput. Syst. 1 http://doi.acm.org/10.1145/103727.103729 db/journals/tocs/tocs9.html#Mellor-CrummeyS91