@book{21291,
	author = {Legendre, Louis. and Legendre, Pierre,},
	title = {Numerical ecology /},
	publisher = {Elsevier Scientific Pub. Co.,},
	year = {1983.},
	series = {Developments in environmental modelling ;},
	address = {Amsterdam ;},
	note = {Rev. and expanded translation of: Ecologie numérique.}
}