@article {34310,
	title = {Probing multivariate data with random skewers : a preliminary to direct gradient analysis},
	volume = {42},
	year = {1984},
	pages = {161-165},
	publisher = {Oikos},
	keywords = {blackfly, methoxychlor},
	url = {http://www.jstor.org/stable/3544788?seq=3},
	author = {Pielou, E. C.}
}
