Kerrod, Robin,  <br/><br/>
Science & technology 

 - 77 pages :   illustrations ;   34 cm 
<br/><br/><label>ISBN: </label>0600571157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>600