@book{18416,
	author = {Smol, J. P.},
	title = {Diatoms and lake acidity :},
	publisher = {W. Junk ;},
	year = {1986.},
	series = {Developments in hydrobiology ;},
	address = {Dordrecht, Netherlands ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0822/85018095-b.html}
}