by Luza, J.G, van Gorsel, R, Polito, V.S, Kader, A.A
Published in Journal of the American Society for Horticultural Science (1992)

by Gorsel, R. van (Research Station for Floriculture, Aalsmeer, The Netherlands.)
Published in HortScience (01.09.1994)

by Gorsel, R. van (Proefstation voor de Bloemisterij, Aalsmeer (Netherlands))
Published in Acta Horticulturae (Netherlands) (01.06.1993)