Plas, H. C. van der. <br/><br/>
Ring transformations of heterocycles 
[by] H. C. Van Der Plas. 
 - London,  New York,  Academic Press,  1973. 
 - 2 v.  24 cm. 
 - Organic chemistry; a series of monographs,  27 .
<br/><br/><label>ISBN: </label>0127117016 (v. 1) 
<br/><br/><label>LCCN: </label>71170748  
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic compounds.<br/>Ring formation (Chemistry)<br/>Formação de anel (Química)
<br/><br/><label>LC Class. No.: </label>QD400  / .P62 
<br/><br/><label>Dewey Class. No.: </label>547.59