000			00306nam a2200133Ia 4500
008			211209s2010 xx 000 0 und d
020			_a8122427677
041			_aeng
100			_aROY CHOUDHARY
245			_aNETWORK SYSTEMS
250			_a2 ed.
260			_aNEW DELHI _bNEWAGE _c2010
300			_aXIV, 2010
999			_c63519 _d63519