Thonet and DesignMichael Thonet, Angelika Nollert, Peter Ellenberg, Markus Frenzl · First published 2019Open the Tome
Fortschritte der BotanikHeinz Ellenberg, Karl Esser, Hermann Merxmuller, Peter Sitte, Hubert Ziegler · First published 1968Open the Tome
Fortschritte der BotanikErwin Bünning Heinz Ellenberg Karl Esser Hermann Merxmüller Peter Sitte · First published 1965Open the Tome
