A Readable Introduction to Real Mathematics
Daniel Rosenthal & David Rosenthal & Peter Rosenthal
A Practical Guide to ‘Free-Energy’ Devices
Patrick J. Kelly
Speak With Confidence: Overcome Self-Doubt, Communicate Clearly, ...
Mike Acker
Circle Inversions - fun with a serious undertone (Essay)
Kees van der Laan
Medieval Concepts of the Past: Ritual, Memory, Historiography
Patrick J. Geary & Johannes Fried & Gerd Althoff & Professor Of Medieval History Johannes Fried & Director Center For Medieval & Renaissance Studies Patrick J Geary & German Historical Institute (washington, D.c.)
Approaches to Knowledge Representation: An Introduction
Gordon A. Ringland & David A. Duce