000 00389nam a2200145Ia 4500
003 OSt
008 181001s1989 xx 000 0 und d
082 _bGUP
_a621.382
100 _aGupta, R. R.
245 0 _aElectronics telecommunications:
_bObjective type questions and answers
260 _bKhanna,
_aNew Delhi:
_c©1989
300 _a144p.
650 _aApplied Science
942 _2ddc
_cBK
999 _c1853
_d1853