Plas, H. C. van der.  <br/><br/>
Ring transformations of heterocycles 
Plas, H. C. van der.  
 - London; New York,   Academic Press,  1973 
 - 2 v. 
<br/><br/><label>ISBN: </label>0127117016 (v. 1) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic compounds.; Ring formation (Chemistry)
<br/><br/><label>LC Class. No.: </label>QD405  / .V36-1973