Leatherwood, Stephen <br/><br/>
Marine mammal:   Research and conservation in Sri Lanka 1985-1986 

 - Nairobi:   United Nations Environment Programme:   1989 
 - 138 p. 
 - Marine Mammal Technical Report:   no. 1 .
<br/><br/><label>ISBN: </label>92-807-1236-5 
<br/><br/><label>Dewey Class. No.: </label>599.5