Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1912, in volume 1912, pages 186-214

Created: 2014-06-03, modified: 2014-06-03

Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1912, in volume 1912, pages 355-359

Created: 2014-06-03, modified: 2014-06-03