00505nam a2200157Ia 4500100002900000650001400029942000700043654001400050245002600064260002100090082001700111546001200128999001700140952009500157952009500252  aGopalan R/ Venkappaya D   aChemistry  cBK  aChemistry  aEngineering Chemistry  bVikas pub.c1999  a540bGOP/VEN  aENGLISH  c22365d22365  001040708CRCaCRCEbCRCEd2023-03-17l0o540 GOP/VENp11443r2023-03-17w2023-03-17yBK  001040708CRCaCRCEbCRCEd2023-03-17l0o540 GOP/VENp11444r2023-03-17w2023-03-17yBK