@book{29169,
	author = {Cox, Joseph Frank, and Jackson, Lyman Edson,},
	title = {Crop management and soil conservation /},
	publisher = {J. Wiley,},
	year = {c1948.},
	series = {Wiley farm series.},
	address = {New York ;},
	edition = {2d ed.},
	note = {"References" at end of each chapter.}
}