Articles:

The Art of Design: The Innovative Designs of Bob Evans, Erik Buell and Burt Rutan, by Harry J. Wirth
The Art of Design: An Exhibition of American Design, by Harry J. Wirth
LA Magazine - Hall of Fame

Diving's Most Radical Fin Design, By Bonnie Cardone -Dive Training Magazine
Asian Diver Magazine: Extra Force
Scuba Doobie Do - Women's Sports Fitness
GRAPHIS - Issue 304
MAXIM for Men: Quickest Way to Flip Out, and, Flipper Off

Fin-tastic!, by Kevin Gurr for Dive Magazine
Sport Diver: Excellerating Force Fin, by Gary P. Joyce
Asian Diver Magazine: Extra Force
MAXIM for Men: Quickest Way to Flip Out, and, Flipper Off

Tan Delta - Equipment Innovations, by Vince Rhodes, Sport Diver Magazine
Gear Guide - Tan Delta by Force Fin - Men's Journal:
ESQUIRE magazine, The Male Animal, and, The Stuff of Sport
GRAPHIS - Issue 304

FOIL FORCE FIN by Nora Camera for Inmersion
HYDRO FOIL, Matt Crowther for Dive International
TRIP Magazine on the Foil Force and Multi Force Fin - *Written in Portuguese*
Fast Lane, ONE Magazine

TRIP Magazine on the Foil Force and Multi Force Fin - *Written in Portuguese*

ESQUIRE magazine, The Male Animal, and, The Stuff of Sport

Excellerating Force Fin Tan Delta - The Snappiest

Extra Force Fin Tan Delta - The Snappiest