Tác giả: Bernhard Kutzler

Manfred Feilmeier & Mathias Kratz: Rechnerorientierte Verfahren

Bernhard Kutzler: Consciousness : Its Nature, Purpose, and How to Use It

Bernhard Kutzler: Being Free : Get Out of the Box – The Method with 99 Exercises

Bernhard Kutzler: Curiosity : The Mental Hunger of Humans