Ulrich, Henri <br/><br/>
Cycloaddition rewaction of heterocumulenes 
Henri Ulrich 
 - New York  Academic Press  1967 
 - ix,364p.;  23cm.- 
 - Organic chemistry : a series of monographs; no.9 .
<br/><br/><label>Dewey Class. No.: </label>547.28  / ULR