@book{143139,
	author = {Drucker, Thomas. and American Mathematical Society.},
	title = {Perspectives on the history of mathematical logic /},
	publisher = {Birkh�auser,},
	year = {c1991.},
	address = {Boston :},
	note = {Most papers given originally at a session at the American Mathematical Society's meeting in Chicago in March 1985.}
}