Chapters by Dr. Akira Okada

• Book Chapter Wind Tunnel Tests on Horn-Shaped Membrane Roof Under the Turbulent Boundary Layer
  by Yuki Nagai, Akira Okada, Naoya Miyasato, Masao Saitoh and Ryota Matsumoto in the book "Wind Tunnel Designs and Their Diverse Engineering Applications" edited by N. A. Ahmed, ISBN 978-953-51-1047-7, InTech, March 3, 2013
• Book Chapter Wind Tunnel Tests on The Horn-shaped Membrane Roof
  by Yuki Nagai, Akira Okada, Naoya Miyasato and Masao Saitoh in the book "Wind Tunnels and Experimental Fluid Dynamics Research" edited by Jorge Colman Lerner and Ulfilas Boldes, ISBN 978-953-307-623-2, InTech, July 7, 2011