Central Places in the Migration and Merovingian Periods: Papers ...
Birgitta Hårdh & Lars Larsson
Stanford Encyclopedia of Philosophy
SEP
Europe in the High Middle Ages
William Chester Jordan
Clear Thinking
R. W. Jepson
Simulating Society - A Mathematica® Toolkit for Modeling Socioeconomic ...
Richard J. Gaylord & Louis J. D'Andria
Der Staat an seinen Grenzen. Über Wirkung von Einwanderung in ...
Thilo Sarrazin