@book{21109,
	author = {Workshop on "Approximation Algorithms for Combinatorial Optimization problems", APPROX 2001, Berkeley, Aug 18-20, 2001},
	title = {Approximation, randomization, and combinatorial optimization; algorithms and techniques; proceedings of the 4th APPROX 2001 and 5th RANDOM 2001 international workshop},
	publisher = {Springer-Verlag,},
	year = {2001},
	address = {Berlin:},
	note = {"Purchased under NBHM grant for the year 2001-2002"}
}