TY - RPRT TI - 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 AU - Price, H. E. AU - Tabachnick, B. J. PY - 1968 UR - https://ntrs.nasa.gov/citations/19680009696 ID - 19680009696 ER -