@book{42911,
	author = {Underwood, A. J},
	title = {Experiments in ecology : their logical design and interpretation using analysis of variance /},
	publisher = {Cambridge University Press},
	year = {1997},
	address = {Cambridge},
	note = {Includes bibliographical references (p. 486-495) and indexes.},
	url = {http://www.loc.gov/catdir/description/cam027/96015180.html}
}