1. Project no. 5 -- Crew fatigue research. Final report on project no. 5-13, Appraisal of kind and degree of physical effort required of tank crews in relation to fatigue Author(s): Park, Charles R., authorSwigert, Theodore C., author Publication: Fort Knox, Kentucky : Armored Medical Research Laboratory, 24 March 1945 Subject(s): FatigueAdaptation, PhysiologicalMilitary Personnel