Dedication

To my dearest wife Maree and daughters Fiona and Amanda who always supported me in my endeavors.

To Professor John De Laeter who showed me how to be a scientist.

—Clifton L. Smith

To my darling wife Glenda, for the hours that this work has taken me from you. You are still my world.

To Professor Clifton Smith, coauthor and mentor, who inspired me to reach this place.

To my Australian and United Kingdom families, my foundation.

—David J. Brooks

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