Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1892, in volume 1892, pages 11-13

Created: 2011-11-24, modified: 2011-11-24

Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1892, in volume 1892, pages 98-100

Created: 2011-05-28, modified: 2023-02-16

Published in Sber. Ges. naturf. Freunde, Berlin, in 1892, in volume 1892, pages 101-110

Created: 2010-04-10, modified: 2023-02-16