000 00250nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _a621.384 MIT-R
100 _aMITHAL, G. K.
245 0 _aRADIO ENGINEERING
260 _bKHANNA
_c2013
942 _cREF
999 _c2623
_d2623