000 00320nam a2200133Ia 4500
008 220201s1978 xx 000 0 eng d
041 _aENG
100 _aBERDE, M S
245 0 _aTHYRISTOR ENGINEERING
250 _a1ST
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1978
300 _a319
942 _2ddc
999 _c46910
_d46910