@book{11028,
	author = {Wackerman, Albert Edward,},
	title = {Harvesting timber crops.},
	publisher = {McGraw-Hill Book Co.,},
	year = {1949.},
	series = {The American forestry series.},
	address = {New York,},
	edition = {1st ed.},
	note = {"Selected references": p. 431-432.}
}