Thomas, A. S. (July 1946). "The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II". The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.
Thomas, A. S. (July 1946). "The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II". The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.
Thomas, A. S. (July 1946). "The Vegetation of Some Hillsides in Uganda: Illustrations of Human Influence in Tropical Ecology. II". The Journal of Ecology. 33 (2): 153–172. Bibcode:1946JEcol..33..153T. doi:10.2307/2256463. JSTOR2256463.