000			00419nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0-19-853204-0
082			_a793.74 _bHOR
100			_99909 _aHordern, Edward
245			_aSliding Piece Puzzles
260			_bOxford Universities Press, _c1986. _aOxford:
300			_a249p.; _bcol.ill.; _c21 cm
650		0	_aMathematics _93728
942			_2ddc _cLM
999			_c27597 _d27597