@book{12166,
	author = {International Press and Yau, S. T. ; ed.},
	title = {Conference on Geometry and topology, Harvard University, April 27-29, 1990},
	publisher = {Lehigh University},
	year = {1991},
	series = {Surveys in Differential Geometry },
	address = {Lehigh},
	note = {Supplement to the Journal of Differential Geometry}
}