@book{24946,
	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.}
}