A Student's Guide to the Mathematics of Astronomy
Daniel Fleisch & Julia Kregenow
The art of solving problems: Comparing the similarities and ...
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The Hound of the Baskervilles
Arthur Conan Doyle
Knowledge Representation: Logical, Philosophical, and Computational ...
Stewart C. Schapiro
The Hidden Worlds
Sandra Ingerman & Katherine Wood
Historica: Der grosse Atlas der Weltgeschichte mit über 1200 ...
Ludwig Könemann & Martin Stefanik