Title: 25 Jahre Rubusforschung in Norddeutschland /
Authors: Martensen, Hans Oluf.; Arbeitsgemeinschaft Geobotanik in Schleswig-Holstein und Hamburg.
Publisher: Arbeitsgemeinschaft Geobotanik Schleswig-Holstein und Hamburg,
Year: 1998
Subjects: Rubus Research Northern Germany.; Rubus Northern Germany Identification.; Rubus Research Germany, Northern.; Rubus Germany, Northern Identification.