000 00544nam a2200193 4500
008 160616s2013 000 0
245 _aFour colors suffice
_bHow the map problem was solved
100 _aWilson, Robin
250 _aRevised color edition
260 _aNew Jersey
260 _bPrinceton university press
260 _c2013
300 _a199
440 _aPromceton Science Library
020 _a9780691158228
650 _aFour color problem, four color problem history,
942 _cBK
_2BK26664
080 _a511 WIL
999 _c26664
_d26664