@book{59473,
	author = {Pulp and Paper Industry of the United States and Canada and Stephenson, J. Newell},
	title = {Pulp and paper manufacture},
	publisher = {McGraw-Hill,},
	year = {1950-55},
	address = {New York :},
	note = {Preparado bado la Dir. de "Joint Textbook Committee of Papaer Industry of the U.S. and Canada"}
}