(1) Patricia Schmidt, “An Investigation of Space Suit Mobility With Applications to EVA Operations”, Thesis Summary, (2001).
(2) P. B. Schmidt, D. J. Newman and E. Hodgson, “Modeling Space Suit Mobility: Applications to Design and Operations”, Society of Automotive Engineers, Inc., (2001).
(3) Christopher E. Carr and Dava J. Newman, “Characterization of a lower-body exoskeleton for simulation of space-suited locomotion”, Acta Astronautica Vol. 62, No. 4-5 (2008), pp. 308-323.
(4) Bradley Pitts, Cam Brensinger, Joseph Saleh, Chris Carr, Patricia Schmidt and Dava Newman, “Astronaut Bio-Suit for Exploration Class Missions”, NIAC Phase I Report, (2001).
(5) Marko Ackermann and Werner Schiehlen, “Dynamic analysis of human gait disorder and metabolical cost estimation”, Arch Appl Mech. Vol. 75, No. 10-12 (2006), pp. 569-594.