000 00297nam a2200121Ia 4500
008 220201s1965 xx 000 0 eng d
082 _a621.3
100 _aRogers, FE
245 0 _aTopologye matric in the solution on the network
260 _bLondon:Ilifee
_c1965
300 _a204
942 _2ddc
999 _c76713
_d76713