@book{30274,
	author = {Harper, David M.},
	title = {The sustainable management of tropical catchments /},
	publisher = {Wiley,},
	year = {c1999.},
	address = {New York :},
	note = {Results of a conference held at the University of Leicester.},
	url = {http://www.loc.gov/catdir/description/wiley0310/98026738.html}
}