000 00243nam a2200085Ia 4500
008 150310s9999 xx 000 0 und d
100 _aMARSTON R M
245 _a110 THYRISTOR PROJECTS USING S.C.R.S & TRIALS
260 _c1978
_bNEWNES TECHNICAL BOOK
999 _c8516
_d8516