000 00328nam a2200121Ia 4500
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
300 _a22X15
942 _cBK
_2DDC
999 _c20910
_d20910