The Philosophy of Spiritual Activity
Rudolf Steiner
Towards the Semantic Web: Ontology-Driven Knowledge Management
John Davies & Dieter Fensel & Frank van Harmelen
Internet of Things (IoT): A Vision, Archtectural Elements, and ...
Jayavardhana Gubbi Lakshminarasimha
Astralreisen: Schritt Für Schritt Zur Außerkörperlichen Erfahrung ...
Marc Fuchs
How Do We Know?: An Introduction to Epistemology
James K. Dew Jr. & Mark W. Foreman