Watkins, Matthew. <br/><br/>
Useful mathematical and physical formulµ /    
Matthew Watkins ; illu strations by Matt Tweed. 
 - New York :   Walker,   2001. 
 - 58 p. :    ill. ;    18 cm. 
<br/><br/>  Originally published: Wales : Wooden Books, 2000.   Includes index. 
<br/><br/><label>ISBN: </label>0802713807 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics --------Formulae.<br/>Physics --------Formulae.
<br/><br/><label>Dewey Class. No.: </label>510/.2/12  510.212 WAT