Frey, Paul Reheard <br/><br/>
Chemistry problems and how to solve them / 
Paul R. Frey 
 - 7th. ed. 
 - New York :  Barnes & Noble,  1969 
 - 288 p. :  ill. ;  18 cm. 
<br/><br/><label>ISBN: </label>0064600467 
<br/><br/><label>LCCN: </label>68-055293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Problems, exercises, etc