000			nam a22 7a 4500
999			_c8487 _d8487
005			20231123110201.0
008			231123b xxu||||| |||| 00| 0 eng d
020			_a0070342431
040			_aSLIDA _cSLIDA _dSLIDA
041			_aeng.
082			_2UDC _a681.141.3 _bKES
245			_aMetropolitan area networks: _bConcepts, standards and services/ _cGary C. Kessler, David A. Train. _hEnglish.
260			_aAmerica: _bMcGraw-Hill inc, _c1992.
300			_axii, 436p.: _bill.; _c24cm.
942			_2ddc _cLEN