Patterson, Austin M.  <br/><br/>
The ring index 
Patterson, Austin M.  
 - New York,   Reinhold publishing corporation,  1940 
 - 661 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry; Chemistry, Organic.
<br/><br/><label>LC Class. No.: </label>QD281.R5  / .R56