000 00295nam a22001217a 4500
005 20220518154820.0
008 190207b xxu||||| |||| 00| 0 eng d
041 _aeng
100 _aSidler, J
_93260
245 _aPrinciples of computer communication network design
260 _c1983
942 _cBK
999 _c241850
_d241850