Silva, T. K. Nimal P. De <br/><br/>
Scientific principles seen in ancient artefacts and monumental structures 

 - Colombo  Natural  Resources Energy and Science Authority of SriLanka  1995 
 - 54p.  21cm 
 - Science education series No. 36 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology<br/>Agriculture and related technology
<br/><br/><label>Dewey Class. No.: </label>630.1  / SCI