000			00343nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.79E+12
082			_a621
082			_b3192 C
100			_a"Choudhury,D.Roy"
245		0	_aNetworks And Systems
260			_aNew Delhi
260			_bNew Age
260			_c1988
300			_a"xi,926"
999			_c50230 _d50230