title: A descriptive model for determining optimal human performance in systems. Volume 3. An approach for determining the optimal role of man and allocation of functions in an aerospace system (including technical data appendices). NASA CR-878.
mesh_terms: D001331:Automation; D018504:Ecological Systems, Closed; D006804:Ergonomics; D006801:Humans; D008328:Man-Machine Systems; D008962:Models, Theoretical; D012106:Research; D013026:Space Flight