000 00322nam a2200157Ia 4500
082 _a511.6
_bW461.MT
100 _aWelsh, D. J. A.
245 _aMatroid theory
_b
260 _aLondon
_bAcademic Press
_c1976
300 _axi, 433p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a9199
999 _c9199
_d9199