Hollnagel, Erik, 1941- Joint cognitive systems : foundations of cognitive systems engineering / Erik Hollnagel, David D. Woods - Boca Raton, FL : Taylor & Francis, 2005 - xii, 223 p. : ill. ; 25 cm. Includes bibliographical references (p. 199-213) and indexes ISBN: 0849328217 (alk. paper) RM434.00 Subjects--Topical Terms: Human-machine systems