Birds and the african environment  : proceedings 
/ of eight pan-african ornithological congress; ed. by R. Trevor Wilson 
. - Tervuren  : Musée royal de l'Afrique centrale, 1993
. - Xiii-650p.  : Ill.  ; 31Cm. 
 - Annales sciences zoologiques  Vol. 268 .
<br/><br/>Index. 
<br/><br/><label>Universal Decimal Class. No.: </label>598. 20.