Castle, Raymond N. <br/><br/>
1st International congress of heterocyclic chemistry 

 - New Mexico  International Society of Heterocyclic Chemistry  1967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic chemistry
<br/><br/><label>Dewey Class. No.: </label>547.5900601  / CAS