@booklet {1002,
	title = {Grassland vegetation changes and nocturnal global warming},
	howpublished = {Science},
	volume = {238},
	year = {1999},
	month = {1999///},
	pages = {229 - 231},
	author = {Alward,R.D. and Detling,J.K. and Milchunas,D.G.}
}
