000 00429nam a2200169Ia 4500
082 _a511.5
_bSa112.FC
100 _aSaaty, Thomas L. and Kainen, Paul C.
245 _aThe four-color problem; assaults and conquest
_b
250 _a2nd.
260 _aNew York
_bDover
_c1986
300 _avi, 217p. Index, Bibl.
500 _a
690 _a
700 _aKainen, Paul C. ; jt. auth.
964 _a
_b
_c
_d
_e
_f
_g
921 _a8940
999 _c8940
_d8940