by Lloyd, D.G. (University of Canterbury, Christchurh, New Zealand), Schoen, D.J
Published in International journal of plant sciences (01.09.1992)

by Stevens, L. (University of Vermont, Burlington, VT.), Goodnight, C.J, Kalisz, S
Published in The American naturalist (01.04.1995)

by Cannon, P.G. (Centro Agronomico Tropical de Investigacion y Ensenanza (CATIE), Turrialba (Costa Rica)), Low, C.B
Published in Silvae genetica (1994)

by Koludar, J. (Aegean Agricultural Research Inst., Menemen, Izmir (Turkey))
Year of Publication 1996