00280nam a2200109Ia 4500008004100000041001200041082001100053100001800064245007600082260000600158650000600164221030s9999    xx            000 0 und d  aEnglish  a105.23  aK. R. Padiyar 0aHVDC Power transmission system technology and systemscby K. R. Padiyar  c0  aB