000 00357nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a621.382
_bBLA
100 _aBlake,Roy.
245 0 _aElectronic communication systems
260 _aNew Delhi :
_bCengage Learning,
_c1994
300 _a985.
365 _a450
650 _aApplied physics
999 _c35803
_d35803