@governmentreport { 96,
	title = {Photophoretic levitation of engineered aerosols for geoengineering},
	volume = {107},
	year = {2010},
	pages = {16428-16431},
	url = {/files/tkg/files/96.keith_.2010.photophoriclevengaerosols.e.pdf},
	author = {David Keith}
}
