Kerrod, Robin <br/><br/>
Raw materials / 
Robin Kerrod. 
 - East Sussex, Englad :  Wayland,  c1990. 
 - 48 p. :  ill. ;  29 cm. 
 - (The Wayland library of science and technology) .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0750200235 (Hb.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias.<br/>Technology--Encyclopedias.<br/>Natural resources..
<br/><br/><label>LC Class. No.: </label>Q121  / .K473 1991