@article { 16,
	title = {Geoengineering Climate},
	journal = {S. J. Hassol and J. Katzenberger Elements of Change 1998, Aspen Colorado: Aspen Global Change Institute},
	year = {1998},
	url = {/files/tkg/files/16_keith_1998_geoengclimate_s.pdf},
	author = {David Keith}
}
