@article{MuehleBurkartPoetsch1998,
  author    = {M{\"u}hle, Ralf-Udo and Burkart, Michael and P{\"o}tsch, Joachim},
  title     = {On the importance of flooded grassland at the Ramsar site of the lower Havel river valley for waterfowl},
  issn      = {0761-9243},
  year      = {1998},
  language  = {en}
}
@article{BurkartKuesterSchelskietal.1998,
  author    = {Burkart, Michael and K{\"u}ster, H. and Schelski, Anke and Potsch, J.},
  title     = {A historical and plant sociological appraisal of floodplain meadows in the lower Havel valley, northeast germany},
  year      = {1998},
  language  = {en}
}
@phdthesis{Burkart1998,
  author    = {Burkart, Michael},
  title     = {Die Gr{\"u}nlandvegetation der unteren Havelaue in syn{\"o}kologischer und syntaxonomischer Sicht},
  series = {Archiv naturwissenschaftlicher Dissertationen},
  volume    = {7},
  journal   = {Archiv naturwissenschaftlicher Dissertationen},
  publisher = {Galunder},
  address   = {Wiehl},
  isbn      = {3-931251-41-1},
  pages     = {[18], 157, A102 S. : graph. Darst., Kt.-Beil.},
  year      = {1998},
  language  = {de}
}