The ecology of survival :  case studies from Northeast African history / 
edited by Douglas H. Johnson and David M. Anderson 
 - London :  Lester Crook Academic Publishing,  c1988. 
 - xi , 339 p. :  ill., tabs., maps. ;  23 cm. 
<br/><br/><label>ISBN: </label>0813307279 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Africa Northeast
<br/><br/><label>LC Class. No.: </label>GF720  / .E26 1988 
<br/><br/><label>Dewey Class. No.: </label>304.2096