00532nam a2200181Ia 4500 20287 140408s9999 xx 000 0 und d 0-312-20911-8 PK-LaUMT 793.74 STI-A Terry Stickels Are you as smart as you think? 150 original mathematical, logical, and spatial-visual puzzles� Terry Stickels New York,USA: St. Martin's Press, 2000 111 p. EN Mathematical recreations BK 20634 20634 0 0 0 0 01 01 2014-04-08 0 793.74 STI-A 23639 2014-04-23 00:00:00 2014-04-23 BK