Bodenkunde und StandortlehreKarl Stahr, Ellen Kandeler, Ludger Herrmann, Thilo Streck · First published 2016Open the Tome
Sustainable Land Use in Mountainous Regions of Southeast AsiaFranz J. Heidhüs, Ludger Herrmann, Andreas Neef, Sybille Neidhart, Jens Pape · First published 2008Open the Tome
