Showing 1 - 2 results of 2 for search 'Robertson, Robert J., 1943-' Refine Results
  1. 1
    Perceived exertion for practitioners : rating effort with the OMNI picture system / Robert J. Robertson.
    by Robertson, Robert J., 1943-
    Published 2004
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  2. 2
    Perceived exertion / Bruce J. Noble, Robert J. Robertson.
    by Noble, Bruce J.
    Published 1996
    Other Authors: '; “...Robertson, Robert J., 1943-...”
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