@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.}
}
@book {Leps2003,
	title = {Multivariate analysis of ecological data using CANOCO},
	year = {2003},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge},
	isbn = {9780521814096},
	url = {http://books.google.com/books?hl=en\&lr=\&id=DYfseIcJBc8C\&oi=fnd\&pg=PR9\&dq=Multivariate+Analysis+of+Ecological+Data+using+CANOCO\&ots=9XnOXSeCam\&sig=UcThqV2mODB3kgKxH1uaMSKcljw},
	author = {Leps, J. and Smilauer, P. and Lep{\v s}, J and {\v S}milauer, P}
}
