To cite the package 'isopam' in publications use:

Schmidtlein S, Tichy L, Hannes F, Ulrike F (2010). “A brute force approach to vegetation classification.” Journal of Vegetation Science, 21(6), 1162-1171.

Corresponding BibTeX entry:

  @Article{,
    author = {Sebastian Schmidtlein and Lubomir Tichy and Feilhauer
      Hannes and Faude Ulrike},
    year = {2010},
    title = {A brute force approach to vegetation classification},
    journal = {Journal of Vegetation Science},
    volume = {21},
    number = {6},
    pages = {1162-1171},
  }