@article{Uddin2008,
	title = {Optimal block designs for three treatments when observations are
	correlated},
	author = {Nizam Uddin},
	day = {01},
	journal = {Journal of Statistical Planning and Inference},
	month = {Jul},
	number = {7},
	pages = {1960--1966},
	url = {http://www.sciencedirect.com/science/article/B6V0M-4PWF0M0-2/1/ed66840ab84d5edcc77b42aa35d5d57b},
	volume = {138},
	year = {2008},
	biburl = {http://www.bibsonomy.org/bibtex/21e0d4efc20002a497f769717d7ccdf41/smicha},
	keywords = {Block design }
}