000 | 00328nam a2200121Ia 4500 | ||
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008 | 190711s9999 xx 000 0 und d | ||
082 | _a621.38 G974 | ||
100 | _aGUMHALTER.H | ||
245 | 0 | _aPOWER SUPPLY SYSTEM IN COMMUNICATION ENGINEERING PT.1: PRINCIPLES | |
260 |
_aBERLIN _bWiley _c1986 |
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300 | _a22X15 | ||
942 |
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999 |
_c20910 _d20910 |