Geldenhuys CJ, Roux PJ le, Cooper KH, 1986. Alien invasions in indigenous evergreen forest. The ecology and management of biological invasions in Southern Africa. Proceedings of the National Synthesis Symposium on the ecology of biological invasions [edited by Macdonald, I.A.W; Kruger, F.J; Ferrar, A.A.] Cape Town, South Africa; Oxford University Press, 119-131

Geldenhuys CJ, Roux PJ le, Cooper KH, 1986. Alien invasions in indigenous evergreen forest. The ecology and management of biological invasions in Southern Africa. Proceedings of the National Synthesis Symposium on the ecology of biological invasions [edited by Macdonald, I.A.W; Kruger, F.J; Ferrar, A.A.] Cape Town, South Africa; Oxford University Press, 119-131