Yazar
Siegfried Demuth
3 cilt bulundu.
Cilt sonuçları
Restaurierung und Katalogisierung des Herbariums Leiner in Konstanz
Thomas Breunig, Siegfried Demuth · Botanische Arbeitsgemeinschaft Südwestdeutschland
278 sayfa · 2004
Herbaria / Conservation and restoration / Herbarium Leiner (Konstanz, Germany)
FRIEND 2002
International Conference on FRIEND (4th 2002 Cape Town, South Africa), Henry A.J. van Lanen, Siegfried Demuth · IAHS Press
523 sayfa · 2002
Congresses / Flow Regimes from International Experimental and Network Data (Project) / Hydrology / Sustainable development / Water resources development