000 00291nam a2200121Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a4.6
_bS762D
245 0 _aData network design.
260 _aNew York.
_bMcGraw Hill.
_c1993
300 _axxx; 778p
942 _cBK
950 _o004.6 S762D
999 _c32166
_d32166