@book{26817,
	author = {Trewartha, Glenn Thomas and Robinson, Arthur Howard},
	title = {Physical elements of geography},
	publisher = {McGraw-Hill},
	year = {[1967]},
	series = {McGraw-Hill series in geography},
	address = {New York},
	edition = {5th ed.},
	note = {Comprehensive revision of Physical elements of geography, by V. C. Finch and G. T. Trewartha.}
}