000			00307nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c195
040			_aET
100			_aNIIT
245		0	_aADVANCE SWITCHED NETWORK
260			_bPRENTICE HALL _aDELHI
300			_a212
500			_a13826
942			_cBK
999			_c20082 _d20082