000			00300nam a2200133Ia 4500
008			240411s9999||||xx |||||||||||||| ||und||
020			_c295
040			_aSCA
100			_aForouzan,B.A
245		0	_aData Communications and Net working
250			_a2nd
260			_aNew Delhi _b2001
942			_cBK
999			_c48119 _d48119