1. Sorting networks and their applications;Batcher,1968
2. Periodic sorting using minimum delay recursively constructed merging networks;Bender;Electron. J. Combin.,1998
3. A decomposition theorem for partially ordered sets;Dilworth;Ann. Math.,1950
4. The Art of Computer Programming vol. 3: Sorting and Searching;Knuth,1998
5. A multiway merge sorting network;Lee;IEEE Trans. Parallel Distrib. Syst.,1995