Bennett, Nigel <br/><br/>
Machines and models that move 

 - Melbourne:  The Macmillan Company of Australia Pty Ltd,   1990. 
 - 32p.  ill. some col. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0732901820 
<br/><br/><label>Dewey Class. No.: </label>621