WASET
Watanabe, M. , Yamaguchi, T. , Sasajima, M. , Kurosawa, Y. , Koike, Y.. "Examination of the Effect of Air Viscosity on Narrow Acoustic Tubes Using FEM Involving Complex Effective Density and Complex Bulk Modulus". World Academy of Science, Engineering and Technology, Open Science Index 83, International Journal of Bioengineering and Life Sciences, (2013), 7(11), 2265 - 2269.