1. Inadvertent Climate Modification: 63 (1971).
2. APTED, FIC, A COMPARATIVE STUDY OF EPIDEMIOLOGY OF ENDEMIC RHODESIAN SLEEPING SICKNESS IN DIFFERENT PARTS OF AFRICA, JOURNAL OF TROPICAL MEDICINE AND HYGIENE 66: 1 (1963).
3. CLIMATS FORETS DESER 1949
4. BOVILL, E, J ROYAL AFRICAN SOC 20: 175 (1921).
5. BOVILL, E.W., J R AFR SOC 20: 289 (1921).