@book{548106,
	author = {Haigh, Martin J.,},
	title = {Hydrological problems and environmental management in highlands and headwaters :},
	publisher = {A.A. Balkema,},
	year = {1996.},
	address = {Rotterdam ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0916/99227735-d.html}
}