Showing 1 - 2 results of 2 for search 'John B. O'Hagan' Refine Results
  1. 1
    A risk assessment methodology for the use of lasers in the entertainment industry
    by John B. O'Hagan
    Published 1998
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  2. 2
    Eye hazards of laser 'pointers' in perspective
    by J. Marshall, John B. O'Hagan, John Tyrer
    Published 2016
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