000			00286nam a2200133Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c250
040			_aET
100			_aSharma , C.R.
245		0	_aComputer Networks
260			_bJaico Pub. _aDelhi
500			_a59589
942			_cBK
999			_c65552 _d65552