Gaspe, Anura <br/><br/>
Clay testing  the clay/non-clay ratio measurement technique for ceramic stoves 

 - London  Intermediate Technology Pub.  1994 
 - vi,17 p.  Illustration 
<br/><br/><label>ISBN: </label>1853392669 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOIL SCIENCE
<br/><br/><label>Dewey Class. No.: </label>738.8  / GAS