M. F. Heikens

1997 Canadian Forces Air Operations Vision Survey. Section VIII, IX, X, XI. Medical Support Issues.

M. F. Heikens, H. J. O'Neill, G. W. Gray, 1999 .

1997 Canadian Forces Air Operations Vision Survey Section 1 Operational Visual Requirements

M. F. Heikens, H. J. O'Neill, D. A. Salisbury, 1999 .

1997 Canadian Forces Air Operations Vision Survey Sections III, IV Vand VI Vision Protectors and Enhancers

M. F. Heikens, H. J. O'Neill, G. W. Gray, 2000 .