000 003100000a22001330004500
008 140223b1975 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aD65 L54
082 _aD65 L54
100 _aRistonbatt (M P)
245 _aSemiconductor circuits
260 _c1975
650 _aElectron Engineering
999 _c155233
_d155233