000			00559nmm a2200169Ia 4500
008			230421s9999||||xx |||||||||||||||||und||
020			_a9781470457433 (online)
100			_aGardner, Martin
245		0	_aAha! gotcha : _bparadoxes to puzzle and delight
260			_aSan Francisco : _bW.H. Freeman, _cc1982.
300			_a1 online resource (vii, 164 p. : ill.)
490			_aSpectrum, _vv. 47 _x2638-9045 ;
504			_aBibliography: p. 161-164.
650			_aMathematical recreations.
650			_aParadox.
856			_uhttps://doi.org/10.1090/spec/047
999			_c29916 _d29916