000 00297nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3851 CHO
100 _aCHOUDHARY (D. Roy)
245 _aNetworks and Systems
260 _aNew Delhi
_bNEW AGE PUBLICATION
365 _cRS
999 _c175941
_d175941