@article {welch_aced:_1985,
	title = {ACED: Algorithms for the construction of experimental designs},
	journal = {The American Statistician},
	volume = {39},
	number = {2},
	year = {1985},
	pages = {146},
	url = {http://www.jstor.org/stable/pdf/2682828.pdf},
	author = {Welch, William J.}
}
