Vernon, David, 1964- Human potential exploring techniques used to enhance human performance / [electronic resource] : David Vernon. - New York, N.Y. : Routledge, 2009. - 1 Online resource (viii, 267 p.) : ill. Includes bibliographical references and index. ISBN: 9780203876473 (ebook : PDF) Subjects--Topical Terms: Performance--Psychological aspects.Performance--Physiological aspects.Performance technology.