Philosophy of Language
F. von Kutschera
Developmental Psychology of Jean Piaget
Jean Piaget & John Hurley Flavell
Knowledge Representation
Ronald J. Brachman & Hector J. Levesque & Ray Reiter
Reforming Education
Mortimer Jerome Adler
Grundlagen des Geschäftsprozessm[..] (German Edition)
Marlon Dumas & Marcello La Rosa & Jan Mendling & Hajo A. Reijers
Guitar Scales and Modes Trainer
Robert Farrell