TY  - JOUR
A1  - Küster, H.
A1  - Pötsch, Joachim
T1  - Ökosystemwandel in Flußlandschaften Norddeutschlands
Y1  - 1998
ER  - 
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  -