000 00286nam a2200133Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c645
040 _aET
100 _aTheraja
245 0 _aElectrical Technology
260 _bS. Chand
_aNEW DELHI
500 _a59751
942 _cBK
999 _c65714
_d65714