000			00394nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a4 _bBL-D
100			_aBlack,Uyless
245		0	_aData communications and distribution networks
250			_a1st Ed.
260			_c1987 _aNew Delhi _bPrentice-Hall of India Private Limited
650			_aElectronics Engineering
942			_cBK
999			_c500 _d500