00423nam a2200145Ia 4500008004100000020001500041082001800056100002100074245004300095260004300138300000800181650003800189650003400227700001600261170901s1977    xx            000 0 und d  a0852267584  a621.317bR20P  aRavindranath, B. 0aPower System protection and Switchgear  aNew DelhibWiley Eastern Limitedc1977  a444  aEngineering and allied operations  aTechnology (Applied sciences)  aChander, M.