Barker, R. De La Bere. <br/><br/>
Rufiji / 
by R. De La Bere Barker. 
 - 1st  ed. 
 - London :  Robert Hale,  1956. 
 - 157  p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--Africa, East.<br/>Animal behaviour.