@article{Block1985,
	title = {A concept of negative dependence using stochastic ordering},
	author = {Henry W. Block and Thomas H. Savits and Moshe Shaked},
	journal = {Statistics \& Probability Letters},
	month = {Apr},
	number = {2},
	pages = {81--86},
	url = {http://www.sciencedirect.com/science/article/B6V1D-47N62R6-31/1/eb36a50bec87cb297e039669d796b5a7},
	volume = {3},
	year = {1985},
	biburl = {http://www.bibsonomy.org/bibtex/2071e250d028df33d51c6874a6a51810c/smicha},
	keywords = {and dependence negative positive }
}