@article {Shockley1961,
	title = {Detailed Balance Limit of Efficiency of p-n Junction Solar Cells},
	journal = {Journal of Applied Physics},
	volume = {32},
	number = {3},
	year = {1961},
	pages = {510-519},
	publisher = {AIP},
	doi = {10.1063/1.1736034},
	url = {http://link.aip.org/link/?JAP/32/510/1},
	author = {William Shockley and Hans J. Queisser}
}
