@book{29491,
	author = {Prasad, Rajendra, and Power, James F.},
	title = {Soil fertility management for sustainable agriculture /},
	publisher = {CRC/Lewis Publishers,},
	year = {c1997.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0744/96044795-d.html}
}