by Driesel, Albert J, Lommele, Asa, Drescher, Bernd, Topfer, Reinhard, Bell, Monica, Cartharius, Isabell, Cheutin, Natacha, Huck, Jean-Francois, Kubiak, Jutta, Regnard, Patric, Steinmetz, Andre
Published in Acta horticulturae (2003)