Central Marine Fisheries  Research Institute  <br/><br/>
CMFRI  Special publication Nos.18,19,20  No.18:Proceedings of  the Workshop  on sea turtle conservation,No.19:Mariculture research  under the  center of advanced studies in mariculture,No.20:Manual on pearl culture techniques   

 - Cochin  CMFRI  1984 
<br/><br/> Bound together  with acc.6503 
<br/><br/><label>Dewey Class. No.: </label>CMFRI  / Special publication