@book{14912,
	author = {Lester, J. N. and Birkett, J. W.},
	title = {Microbiology and chemistry for environmental scientists and engineers /},
	publisher = {E & FN Spon,},
	year = {1999.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0651/98049280-d.html}
}