Langford, Cooper Harold,  1934- <br/><br/>
The development of chemical principles / 
Cooper H. Langford and Ralph A Beebe 
 - Reading, Mass. :  Addison-Wesley,  1969 
 - 384 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry