Riddles of the Sphinx: And Other Mathematical Puzzle Tales
Martin Gardner
The Infinite Book A Short Guide to the Boundless, Timeless and ...
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Knowledge Representation, Reasoning and Declarative Problem ...
Chitta Baral
Clean Python
Sunil Kapil
Collected Poems
Sri Aurobindo
Der Magnetmotor: Freie Energie selber bauen
Patrick Weinand-Diez & Sonja Weinand