000 003600000a22001450004500
008 140223b1979 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aB273 L9
082 _aB273 L9
100 _aCHRISTOFIDES (Nicos)
245 _aCombinatorial optimization
260 _aNew York
_bJohn Wiley
_c1979
650 _aMathematics
700 _aothers
_fed
999 _c148493
_d148493