000 00272nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _aRAO-S
100 _aRAO, S. S.
245 0 _aSWITCHGEAR PROTECTION AND POWER SYSTEMS
260 _bKHANNA PUBLISHERS
_c2015
942 _cREF
999 _c2636
_d2636