Gregg, Donald Crowther, 1913- <br/><br/>
Principles of chemistry 
/ by Donald C. Gregg 
 - 3rd ed. 
 - Boston  Allyn and Bacon  1968 
 - xvi, 717 p. : ill. ; 23 cm. 
<br/><br/>p. 677-680. 
<br/><br/><label>LCCN: </label>68-021469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry