@book{70473,
	author = {International Symposium on Logical Foundations of Computer Science and Nerode, A., and International Symposium on Logical Foundations of Computer Science},
	title = {Logical foundations of computer science - Tver '92 : Second International Symposium, Tver, Russia, July 20-24, 1992 : proceedings /},
	publisher = {Springer-Verlag,},
	year = {1992},
	address = {Berlin :}
}