TY - JOUR A1 - Mühle, Ralf-Udo A1 - Burkart, Michael A1 - Pötsch, Joachim T1 - On the importance of flooded grassland at the Ramsar site of the lower Havel river valley for waterfowl Y1 - 1998 SN - 0761-9243 ER - TY - JOUR A1 - Burkart, Michael A1 - Küster, H. A1 - Schelski, Anke A1 - Potsch, J. T1 - A historical and plant sociological appraisal of floodplain meadows in the lower Havel valley, northeast germany Y1 - 1998 ER - TY - THES A1 - Burkart, Michael T1 - Die Grünlandvegetation der unteren Havelaue in synökologischer und syntaxonomischer Sicht T2 - Archiv naturwissenschaftlicher Dissertationen Y1 - 1998 SN - 3-931251-41-1 VL - 7 PB - Galunder CY - Wiehl ER -