@book{26157,
	author = {Kamps, KH. and Pumplun, D.},
	title = {Category theory: applications to algebra, logic and topology},
	publisher = {Springer-Verlag},
	year = {1982},
	series = {Lecture notes in mathematics},
	address = {New York},
	note = {International conference on category theory-applications to algebra logic and topology (1981: Gummersbach)}
}