000			00377nam a2200145Ia 4500
008			170101s1968 xx 000 0 und d
082			_a513.83 W14D
100			_aWALLACE, Andrew H
245		0	_aDifferential topology first steps
260			_bN.Y, Amsterdam _c1968
300			_a130p
650			_aDIFFERENTIAL TOPOLOGY
653			_aDIFFERENTIAL TOPOLOGY
942			_2ddc _cB
999			_c30260 _d30260