000 00255nam a2200109Ia 4500
008 231212s1967 xx 000 0 und d
041 _aeng
082 _a1.64
100 _aRammo Murthy
245 _aThyristers And Their
260 _aLondon
_bTata Mc
_c1967
999 _c958681
_d958681