Chamshama, S.A.O. and Downs, R.J. 1982. Germination Behaviour of <I>Chlorophora excelsa</I>, (Welw.) Benth & Hook and <I>Podocarpus usambarensis</I>, Pilger. Indian Forester. 108, 6 (Jun. 1982), 397–401. DOI:https://doi.org/10.36808/if/1982/v108i6/10885.