Authors: Heinz Malz

Published in Zitteliana, in 1981, in volume 7, pages 3-29

Created: 2017-11-06, modified: 2017-11-06

Authors: Andre Lommerzheim

Published in Zitteliana, in 1981, in volume 7, pages 31-54

Created: 2017-11-06, modified: 2017-11-06