Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1922, in volume 1921, pages 77-81
Created: 2014-10-26, modified: 2014-10-26
Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1922, in volume 1921, pages 86-91
Created: 2015-02-08, modified: 2015-02-08