Aus 1 mach 2: Wie Mathematiker Kugeln verdoppeln Autor Leonard M. Wapner et al. 18 oct 2007 Hardback Preț: 212.67 lei 3-5 săpt.
The Pea and the Sun: A Mathematical Paradox Autor Leonard M. Wapner 18 ian 2007 Paperback Preț: 221.97 lei 6-8 săpt.