Lessing, Lawrence P. <br/><br/>
Understanding chemistry / 
Lawrence P Lessing 
 - New York :  Interscience Publishers  1959 
 - 192 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry.
<br/><br/><label>Dewey Class. No.: </label>540  / LEU 1959