@book{148941,
	author = {Symposium on Line Pipe Research (4th : 1969 nov. 18-19 : Dallas, Texas)},
	title = {Fourth symposium on line pipe research},
	publisher = {American Gas Association, AGA},
	year = {1969},
	address = {New York},
	note = {Donación de la familia del Dr. Ildefonso Alvarez.}
}