@book{7500,
	author = {Voorhees, Edward B. and Lipman, Jacob Goodale,},
	title = {A review of investigations in soil bacteriology.},
	publisher = {Gov't. Print. Off.,},
	year = {1907.},
	series = {United States. Dept. of Agriculture. Office of experiment stations. Bulletin},
	address = {Washington,}
}