@article {58,
	title = {Modeling and Sizing for Minimum Energy Operation in Sub-threshold Circuits},
	journal = {IEEE Journal of Solid-State Circuits (JSSC)},
	volume = {40},
	year = {2005},
	month = {09/2005},
	pages = {1778-1786},
	author = {Benton H. Calhoun and Alice Wang and Anantha Chandrakasan}
}
