@book{8838,
	author = {Symposium on Logic and its Relations to Mathematics, Natural Science and Philosophy, Ohio Academy of Science, Columbus, April 22, 1966 and Bulloff, Jack J. ; ed.},
	title = {Foundations of mathematics; papers commemorating the Sixteith birthday of Kurt Godel},
	publisher = {Springer-Verlag},
	year = {1969},
	address = {New York}
}