@book{30273,
	author = {Harrington, James Foster, and Ward, Dwight Edward,},
	title = {Sources of fertilizer minerals in South America,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1966.},
	address = {Washington,},
	note = {"Geology and technology of fertilizer-mineral deposits of phosphates, potash, and sulfur and suggestions for further exploration in South America."}
}