000			00311nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c225
040			_aET
100			_aSHARMA P.K.
245		0	_aCOMPUTER NETWORKS
260			_bNANDANI PRAKASHAN _aDELHI
300			_a356
500			_a47670
942			_cBK
999			_c53685 _d53685