@book{213684,
	author = {Apanasov, B. N. and ebrary, Inc.},
	title = {Topology '90},
	publisher = {W. de Gruyter,},
	year = {1992.},
	address = {Berlin ;},
	note = {Contributions from a research semester in low dimensional topology held under the auspices of the International Mathematical Research Institute at Ohio State University from Feb. through June 1990.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10599256}
}