Published in Sitzungsberichte der Gesselschaft naturforschender Freunde zu Berlin. Berlin, in 1904, in volume 1904, pages 14-17
Created: 2011-06-03, modified: 2023-02-16
Published in Sitzungsberichte der Gesselschaft naturforschender Freunde zu Berlin. Berlin, in 1904, in volume 1904, pages 155-164
Created: 2011-06-03, modified: 2023-02-16
Published in Sitzungsberichte Gesellschaft naturforschenden Freunde Berlin, in 1904, in volume 1904, issue 5, pages 71-83
Created: 2013-04-18, modified: 2013-04-18