1. Aoki, M., Yabuki, K., Koyama, H.: Micrometeorology of Pasoh forest. Mineographed IBP-Synthesis Meeting, Kuala Lumpur (1974)
2. Herrera, R., Jordan, C.F., Klinge, M., Medina, E.: Amazon ecosystems. Their structure and function with particular emphasis on nutrients. Interciencia 3, 223?232 (1978)
3. Huber, B.: Die CO2-Konzentration in Pflanzengesellschaften. In: Hb. Pl. Physiol. Vol. 5/2 (W. Ruhland, ed.) pp. 339?348. Berlin: Springer Verlag 1960
4. Jordan, C.F., Uhl, C.: Biomass of a ?tierra firme? forest of the Amazon basin. Oecol. Plant. 13, 387?400 (1978)
5. Klinge, H., Medina, E., Herrera, R.: Studies on the ecology of Amazon Caatinga forest in Southern Venezuela. Acta Cient. Venezolana 28, 270?276 (1977)