000			00290nam a2200121Ia 4500
008			230413s9999||||xx |||||||||||||| ||und||
082			_a56LE
100			_aLefschetz, Solomon
245		0	_aIntroduction to topology.
260			_bPrinceton University Press
260			_c1949
942			_cBooks
999			_c1807 _d1807