000 00242nam a22001097a 4500
082 _a621.381535 STO'M
100 _aSTORM, H. F
_956808
245 _aMAGNETIC AMPLIFIERS
260 _aLONDON
_bJOHN WILEY
_c1955
300 _a545P
942 _cBK
999 _c567149
_d567149