@book{819,
	author = {Cotton, William R., and Pielke, Roger A.},
	title = {Human impacts on weather and climate /},
	publisher = {Cambridge University Press,},
	year = {2007.},
	address = {Cambridge ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/fy0714/2007276592.html}
}