Kaeufer, Katrin, Otto Scharmer, Ursula Versteegen. Reflections The SoL Journal on Knowledge, Learning, and Change Vol. 5, No. 3 (2003): 1-15.
Scharmer, Otto, W. Brian Arthur, Jonathan Day, Joseph Jaworski, Michael Jung, Ikujiro Nonaka and Peter Senge. Leader to Leader Vol. 2002, No. 24 (2002): 11-14.
Senge, Peter and Otto Scharmer. In A Passion for Ideas How Innovators Create the New and Shape Our World, 87-105. West Lafayette, IN: Purdue University Press e-books, 2001.
Scharmer, Otto. Journal of Knowledge Management Vol. 5, No. 2 (2001): 137-151.
Senge, Peter and Otto Scharmer. In Handbook of Action Research Participative Inquiry & Practice, 238-249. Thousand Oaks, CA: SAGE Publications Inc, 2001.
Versteegen, Ursula, Otto Sharmer and Katrin Kaeufer. Reflections: The SoL Journal on Knowledge, Learning and Change Vol. 2, No. 3 (2001): 36-45.