Handbook of chemistry and physics :  a ready-reference book of chemical and physical data / 
editor, Robert C. Weast ; Associate editor, Melvin J. Astle. 
 - 54th ed. 
 - Boca Raton, Florida :  Chemical Rubber Co.,  1973. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry.<br/>Physics.