jagdamba  singh  jayasingh <br/><br/>
photochemistry and pericyclic reactions 

 - new delhi  new age international (p)ltd  2003 
<br/><br/><label>ISBN: </label>978-81-224-2678-6 
<br/><br/><label>Dewey Class. No.: </label>541.35  / SIN/P