000 00271nam a2200109Ia 4500
008 220201s1998 xx 000 0 eng d
100 _aTHERAJA, B.L.
245 0 _aT.B. OF ELECTRICAL TECHNOLOGY CONTROL
260 _aDELHI
_bS. CHAND
_c1998
300 _a2104
942 _2ddc
999 _c67491
_d67491