@book{13613,
	author = {Knight, Fred Barrows, and Heikkenen, Herman John,},
	title = {Principles of forest entomology /},
	publisher = {McGraw-Hill Book Co.,},
	year = {c1980.},
	series = {McGraw-Hill series in forest resources},
	address = {New York :},
	edition = {5th ed.},
	note = {Fourth ed. (1965) by S. A. Graham and F. B. Knight.}
}