000 00310nam a2200121Ia 4500
008 220201s1995 xx 000 0 eng d
041 _aENG
100 _aDUBEY, G K
245 0 _aTHYRISTORISED POWER CONTROLLING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1995
300 _a825
942 _2ddc
999 _c60740
_d60740