Katritzky , A . R <br/><br/>
Chemistry of the heterocyclic N - oxides 

 - London  Academic press  1971 
 - xii , 587p. 
<br/><br/><label>Subjects--Index Terms: </label>Chemistry - heterocyclic N - oxides 
<br/><br/><label>Dewey Class. No.: </label>547  / KAT