by Wiedenhoff H
Published in Obstbau (1992)

by Wiedenhoff H
Published in Obstbau (1987)

by Wiedenhoff, H
Published in Obstbau (Germany, F.R.) (1987)

by Wiedenhoff, H
Published in Fruitteelt (1973)

by Wiedenhoff, H. (Consulentschap in Algemene Dienst voor de Bedrijfsuitrusting in de Akker- en Tuinbouw, Wageningen (Netherlands))
Published in Acta Horticulturae (Netherlands) (1989)

by Vrie, C.V.D, Wiedenhoff, H
Published in Fruitteelt (1973)

by Vrie, C. van de, Wiedenhoff, H
Published in Fruit belge (1974)