000 00366nam a2200157Ia 4500
008 151211s9999 xx 000 0 und d
082 _222
082 _a514
082 _bGAY/E
100 _aGay, David
_912640
245 _aExplorations in Topology
245 _b Map Coloring, Surfaces and Knots
245 _cby David Gay
942 _2ddc
_02
942 _cTRB
999 _c4916
_d4916