Slaughter, Richard A. “The Foresight Principle: Cultural Recovery in the 21st Century (Adamantine Studies on the 21st Century), Praeger, Westport CT, 1995 ISBN 0-275-95292-4 Slaughter, Richard A. “Developing and Applying Strategic Foresight” http://www.forschungsnetzwerk.at/downloadpub/2002slaughter_Strategic_Foresight.pdf