Published in Sitzungsberichte Der Gesellschaft Naturforschender Freunde Zu Berlin, in 1919, in volume 1919, pages 35-38
Created: 2013-04-04, modified: 2013-04-04
Published in Sitzungsberichte der Gesellschaft Naturforschender zu Berlin, in 1919, in volume 1919, pages 111-127
Created: 2012-12-04, modified: 2012-12-04
Published in Sitzungsberichte Der Gesellschaft Naturforschender Zu Berlin, in 1919, in volume 1919, pages 146-153
Created: 2012-12-04, modified: 2012-12-04
Published in Sitzungsberichte Der Gesellschaft Naturforschender Freunde Zu Berlin, in 1919, in volume 1919, pages 189-196
Created: 2013-04-04, modified: 2015-10-01
Published in Sitzungsberichte der Gesellschaft Naturforschender zu Berlin, in 1919, in volume 1919, pages 347-374
Created: 2012-12-04, modified: 2012-12-04