@book{57943,
	author = {Hess, Darrel and McKnight, Tom L.},
	title = {McKnight's physical geography :},
	publisher = {PHI Learning},
	year = {2012},
	address = {New Delhi},
	edition = {10th ed},
	note = {Previous ed. cat. under McKnight, Tom L. (Tom Lee), 1928-}
}