@book{26801,
	author = {Huntington, Ellsworth and Cushing, Sumner W.,},
	title = {Principles of human geography /},
	publisher = {J. Wiley & sons, inc. ;},
	year = {c1940 .},
	series = {The Huntington geography series.},
	address = {New York ;},
	edition = {5th ed., largely rewritten.},
	note = {Includes index.}
}