000 00342nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0077070925
082 _a621.38152 H474
100 _aHELSAZAJIN,J
245 0 _aFERRITE PHASE SHIFTERS AND CONTROL DEVICES
260 _aLONDON
_bMcGraw-Hill
_c1989
300 _a24X16
942 _cBK
_2DDC
999 _c24763
_d24763