Sri Lanka inventor  Februray 1994 

 - Colombo  Sri Lanka inventor's Association  1994 
 - 8 p.  Illustration 
 - Sri Lanka inventor  Vol. 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 440<br/>INVENTOR<br/>Newsletter
<br/><br/><label>Dewey Class. No.: </label>B0440  / LDC