CLARKE, DONALD <br/><br/>
ENCYCLOPEDIA OF HOW IT WORKS 

 - 
 -  -  1977 
 - 245 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Standard No.: </label>67657 
<br/><br/><label>Subjects--Index Terms: </label>General Mechanical 
<br/><br/><label>Dewey Class. No.: </label>621.803