000 00506nam a22001817a 4500
003 OSt
005 20220324112241.0
008 121219b xxu||||| |||| 00| 0 eng d
020 _a0602246490
040 _ctshering
082 _a519.32 HOL
100 _aHolland,Roy.
245 _aInvestigations, games and puzzles /
_bLevel 7.
_cRoy Hollands
260 _bGinn extenion mathematics,
_c1987.
_aAylesbury :
300 _a32 p. :
_bill. ;
_c26.6 cm.
650 _aMathematical recreations.
942 _2ddc
_cBK
999 _c4125
_d4125