Reference

Anneke Immoor, Dietmar Zacharias, Josef Müller, Martin Diekmann (2017): A re-visitation study (1948-2015) of wet grassland vegetation in the Stedinger Land near Bremen, North-western Germany – Tuexenia - Mitteilungen der Floristisch-soziologischen Arbeitsgemeinschaft – NS_37: 271 - 288.