TY - BOOK AU - KAR,Ratan Kumar TI - Frontier orbital and symmetry controlled pericyclic reactions SN - 81-87134-64-X U1 - 541.35 PY - 2010/// CY - Kolkata PB - Books and allied KW - Chemistry KW - Photochemistry KW - রসায়ন N1 - Includes references ER -