1. Falls from trees;Ebong, W.W.;Tropical and Geographical Medicine,1978
2. Coconuts, the consols of the East;Smith, H.H.; Pope, F.A.G.
3. Coconuts;Child, R.
4. Tropical crops-monocotyledons;Purseglove, J.W.,1975
5. Tropical crops-dicotyledons;Purseglove, J.W.,1977