000 00288nam a2200121Ia 4500
008 200526s9999||||xx |||||||||||||| ||und||
082 _a621.384 GUP
100 _aGupta, M.L.
245 0 _aElectronic and Radio Engineering
264 _bDhanpat Rai
_c1969
300 _a1103p.
942 _c
999 _c10780
_d10780