00289nam a2200109Ia 450000500170000000800410001708200180005810000160007624500350009226000440012730000080017120260205053557.0260111s9999||||xx |||||||||||||| ||und||  a793.74  b639m  abolt, brain 0amathematical amusement arcade.  au.k.bcambridge university press.c2001  a130