@book{18018,
	author = {Trewartha, Glenn Thomas,},
	title = {Fundamentals of physical geography /},
	publisher = {McGraw-Hill,},
	year = {c1977.},
	series = {McGraw-Hill series in geography},
	address = {New York :},
	edition = {3rd ed.},
	note = {First-2d editions by G. T. Trewartha, A. H. Robinson, and E. H. Hammond.}
}