@book{35715,
	author = {Lal, Rattan and Shukla, Manoj},
	title = {Principles of soil physics /},
	publisher = {M. Dekker,},
	year = {c2004},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0647/2006271339-d.html}
}