000 00270nam a2200109Ia 4500
100 _aLIUDGREN,H
365 _cRS
365 _d1
942 _cENGBK
245 _aRecreational Problems in Geometric Dissections & How to solve Them
260 _bPower Publications
_aNEWYARK
999 _c13140
_d13140