Farbatlas GehölzkrankheitenHeinz Butin, Franz Nienhaus, Bernd Böhmer · First published 2003Open the Tome
Lehrbuch Der Phytomedizin.Günter M. Hoffmann, Franz Nienhaus, Hans-Michael. Poehling · First published 1994Open the Tome
Virus- and similar diseases in tropical and subtropical areasFranz Nienhaus · First published 1981Open the Tome