000 00282nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a537.5 H488
100 _aHEMENWAY,C.L
245 0 _aPHYSICAL ELECTRONICS
260 _aTOKYO
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300 _a21X15
942 _cBK
_2DDC
999 _c46966
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