1. Allen, L. H.,Jr.: 1965, ?A Comparison of Airflow Pattern Within and Above Five Different Vegetative Canopies?, 1965 Annual Report of Agricultural Research Service, Ithaca, N.Y.
2. Research Report;L. H. Allen Jr.,1967
3. Bendix Corporation: 1963, ?Jungle Canopy Penetration?, Vegetation and Meteorological Studies II, Ann Arbor, Mi.
4. Brooks, F. A. and Schultz, H. B.: 1958, ?Observations and Investigations of Nocturnal Density Currents?, Climatology and Micrometeorology, Proceedings of the Canberra Symposium, UNESCO, Arid Zone.
5. Meteorological Research Notes;R. M. Cionco,1963