000 00307nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a621.381
_bSUB
100 _aSubrahmanyan,V
245 0 _aThyristor control of electric drives
260 _adelhi
_bTata Mcgraw hill
_c1992
300 _a416
942 _2ddc
999 _c34139
_d34139