@article {sitter1997fractional,
	title = {Fractional Resolution and Minimum Aberration in Blocked 2 n{\textemdash}k Designs},
	journal = {Technometrics},
	volume = {39},
	number = {4},
	year = {1997},
	pages = {382{\textendash}390},
	publisher = {Taylor \& Francis Group},
	author = {Sitter, Randy R and Chen, Jiahua and Feder, Moshe}
}
