@Article{BuschH02,
  author = 	 {C Busch and M.P. Herlihy},
  title = 	 {Sorting and Counting Networks of Small Depth and Arbitrary Width},
  journal = 	 {Theory of Computing Systems},
  year = 	 2002,
  volume =	 35,
  number =	 2,
  pages =	 {99-12}
}