000 00282nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.3192
100 _aRoy Choudhury D
245 0 _aNetworks and systems
260 _bNew Age International Pvt Ltd, New Delhi
_c2001
942 _cBK
999 _c9470
_d9470