000			00307nam a2200133Ia 4500
005			20251222154436.0
008			251222s9999||||xx |||||||||||||| ||spa||
020			_a0-13-143243-5
082			_a510/B63
100			_a"Blitzer,Robert"
245		0	_aThinking mathematically
250			_a3a.ed.
942			_cLIB
999			_c36627 _d36627