Bond, Geoffrey. <br/><br/>
Past climates of central Africa :  an inaugural lecture given in the University College of Rhodesia and Nyasaland. 

 - London :  Oxford University Press,  1962. 
<br/><br/>Bibliography: p. 32-33. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa, Central -- Climate.--Africa, Central -- Climate.