Facts and Propositions - Paper
Moritz Schlick
Augmented Reality and Virtual Reality: Empowering Human, Place ...
Timothy Jung & M. Claudia Tom Dieck
Mathematical Optimization and Economic Theory
Michael David Intriligator
Problems and Solutions in Theoretical and Mathematical Physics
W.-H. Steeb
Revolution in Education - Soviet Style
Charlotte Thompson Iserbyt
Wolfgang Amadeus Mozart: A Life From Beginning to End
Hourly History