@article{Galil1979,
	title = {Extrapolation designs and [Phi]p-optimum designs for cubic regression
	on the q-ball},
	author = {Z. Galil and J. Kiefer},
	journal = {Journal of Statistical Planning and Inference},
	number = {1},
	pages = {27--38},
	url = {http://www.sciencedirect.com/science/article/B6V0M-45FCSY5-C9/1/526c7a6291078472123ff998493a372f},
	volume = {3},
	year = {1979},
	biburl = {http://www.bibsonomy.org/bibtex/2650d7f801dc041e2c813244f87c7f22a/smicha},
	keywords = {A-optimality }
}