ANNUAL session proceedings (44: 1988: Colombo) <br/><br/>
Sri Lanka Association for the Advancement of Science 

 - Colombo  Vidya Mandiraya  1988 
 - 242 p. 
<br/><br/><label>ISBN: </label>167485 
<br/><br/><label>Dewey Class. No.: </label>500  / ANN