@book {TerBraak2012,
	title = {Canoco reference manual and user{\textquoteright}s guide: software for ordination, version 5.0.},
	year = {2012},
	pages = {496},
	publisher = {Microcomputer Power},
	organization = {Microcomputer Power},
	address = {Ithaca, USA},
	author = {Ter Braak, C.J.F. and Smilauer, P.}
}
