Authors: G. W. Maupin, Jr., P.E.

Authors: Barbara A. Scheib

Authors: Catherine C. McGhee, P.E.

Authors: Amy A. O'Leary, Ph.D.

Authors: Kenneth M. Clark, Ann B. Miller

Authors: S. R. Taylor, D. Stephen Bognaski, G. G. Clemeña

Authors: John S. Miller, Ph.D., P.E.

Authors: Kenneth M. Clark, Ann B. Miller

Authors: Charles W. Payne, G. W. Maupin, Jr., P.E.