000 00281nam a22000977a 4500
082 _a511.5
_bIVA.M
100 _aIvanov, Alexander
_aTuzhilin, Alexei A.
245 _aMinmal networks: The steiner problem and its generalizations
260 _aBoca Raton
_bCRC Press
_c1994
942 _cBK
999 _c211103
_d211103