Yazar
Franz Nienhaus
8 cilt bulundu.
Cilt sonuçları
Lehrbuch Der Phytomedizin.
Günter M. Hoffmann, Franz Nienhaus, Hans-Michael. Poehling · Blackwell Wissenschafts-Verlag
542 sayfa · 1994
Kategori yok
Farbatlas Waldschäden. Diagnose von Baumkrankheiten.
Günter Hartmann, Franz Nienhaus, Heinz Butin, Klaus Winter · Ulmer (Eugen)
288 sayfa · 1995
Kategori yok
Virus- and similar diseases in tropical and subtropical areas
Franz Nienhaus · German Agency for Technical Cooperation (GTZ)
216 sayfa · 1981
Control / Host plants / Plant viruses / Virus diseases of plants