@book{69048,
	author = {Mason, S. F.},
	title = {Main currents of scientific thought :},
	publisher = {Abelard-Schuman, },
	year = {1953 [ Printing 1955]},
	address = {New York :},
	note = {London ed. (Routledge & Paul) has title: A history of the sciences.}
}
