@article{Palmer93,
  author =	 {M. W. Palmer},
  title =	 {Putting things in even better order: The advantages
                  of canonical correspondence analysis},
  journal =	 {Ecology},
  volume =	 {74},
  pages =	 {2215-2230},
  year =	 {1993}
}
@article{McCune97,
  author =	 {B. McCune},
  title =	 {Influence of noisy environmental data on canonical
                  correspondence analysis},
  journal =	 {Ecology},
  volume =	 {78},
  pages =	 {2617-2623},
  year =	 {1997}
}
@article{Braak86,
  author =	 {C. J. F. ter Braak},
  title =	 {Canonical correspondence analysis: a new eigenvector
                  technique for multivariate direct gradient analysis},
  journal =	 {Ecology},
  volume =	 {67},
  pages =	 {1167-1179},
  year =	 {1986}
}
@Book{Legendre-Legendre98,
  author =       {P. Legendre and L. Legendre},
  title =        {Numerical ecology},
  publisher =    {Elsevier},
  year =         1998,
  number =       20,
  series =       {Developments in Environmental Modelling},
  address =      {Amsterdam},
  edition =      {2nd}
}
@book{Jongman87,
  author =	 {R. H. Jongman and C. J. F. ter Braak and
                  O. F. R. van Tongeren},
  title =	 {Data analysis in community and landscape ecology},
  pages =	 {299},
  publisher =	 {Pudoc},
  address =	 {Wageningen},
  year =	 {1987}
}
@Manual{CANOCO4,
  title =	 {CANOCO reference manual and user's guide to Canoco
                  for Windows: Software for canonical community
                  ordination (version 4)},
  author =	 {C. J. F ter Braak and P. {\v S}milauer},
  organization = {Microcomputer Power},
  address =	 {Ithaca, NY},
  year =	 1998
}

