CRC Concise Encyclopedia of Mathematics
Eric W. Weisstein
Kreatives Experimentieren: Die Methodik von Jean Piaget, den ...
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Mathematics and Humor: A Study of the Logic of Humor
John Allen Paulos
Galois Theory 3rd Edition
Ian Nicholas Stewart
The Sicilian Vespers: A History of the Mediterranean World in ...
Steven Runciman
Words That Change Minds: Mastering the Language of Influence
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