Choppin, Gregory R. <br/><br/>
Introductory chemistry / 
Gregory R. Choppin and Russell H. Johnsen. 
 - Reading, Mass. :  Addison-Wesley,  1972. 
 - 498 pages :  illustrations ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry.