000 00306nam a2200133Ia 4500
005 20260413100537.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aKhanna,VK
245 0 _aDigital Communications
260 _bN.Delhi,S.Chand
_c2014
300 _a268
942 _cGB
999 _c2006
_d2006