00430nam a2200157 a 450000500170000000800410001702000150005804100080007308200110008110000200009224500620011225000120017426400550018630000150024170000160025620260717092121.0260717s2005    ii            000 0 eng d  a8122416942  aeng04a541.351 aSingh, Jagdamba10aPhotochemistry and Pericyclic Reaction /cSingh, Jagdamba  a2nd ed. 1aNew Delhi :bNew Age International Limited,c2005.  axiv, 386p.1 aSingh, Jaya