Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1914, in volume 1913, pages 449-452

Created: 2014-03-26, modified: 2014-03-26

Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1914, in volume 1914, pages 191-205

Created: 2022-05-02, modified: 2022-05-02