000 nam a22 7a 4500
999 _c126939
_d126939
008 170906b xxu||||| |||| 00| 0 eng d
050 _aQA95.H64 1973
100 _aHolt, Michael
_935706
245 _aLets play math
_c/ Michael Holt
260 _aNew York
_bWalker and Company
_c1973
300 _a184p. ;
_c21cm.
650 _aMathematical recreation
_935707
700 _aDienes, Zoltan
_935708
942 _2lcc
_cMONOGRAPH