@book{227347,
	author = {Brocksen, Robert W. and Marcus, Michael D.},
	title = {Practical guide to managing acidic surface waters and their fisheries},
	publisher = {Lewis Publishers},
	year = {c1992.},
	address = {Boca Raton},
	url = {http://www.loc.gov/catdir/enhancements/fy0744/91043952-d.html}
}