The merck index : han enciclopedia of chemicals, drugs and biologicals  / 
by Merck 
 - Rahway, N. J.  :  Merck,  1968 
 - 1713 p. : apénd 
<br/><br/><label>LCCN: </label>165520 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química--Diccionarios
<br/><br/><label>Dewey Class. No.: </label>540.3 M4