Kerrod, Robin. <br/><br/>
Concise encyclopedia of science. 

 - London, |  Purnell, |  1973. 
 - 256 p.    illus. (some col.), ports.  31 cm. 
<br/><br/> Cover title: Purnell’s concise encyclopedia of science  Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias--Juvenile
<br/><br/><label>LC Class. No.: </label>Q123