(1) Y. Saijo, M. Tanaka, H. Okawai, H. Sasaki, S. Nitta, and F. Dunn : “Ultrasonic Tissue Characterization of Infracted Myocadium by Scanning Acoustic Microscopy”, <i>Ultrasound in Med.&Biol.</i>, Vol. 23, No. 1, pp. 77-85 (1997)
(2) H. Okawai, K. Kobayashi, and S. Nitta : “An Approach to Acoustic Properties of Biological Tissues Using Acoustic Micrographs of Attenuation Constant and Sound Speed”, J. Ultrasound Med., Vol. 20, pp. 891-907 (2001)
(4) N. Tanaka, K. Kobayashi, N. Hozumi, Y. Saijo, M. Tanaka, and S. Ohtsuki : “A study on the estimation of sound speed in biological tissues for ultrasonic microscope”, The 2002 Autumn Meeting of the Acoustic Society of Japan, pp. 1011-1012 (2002) (in Japanese)
田中直彦·小林和人·穂積直裕·西條芳文·田中元直·大槻茂雄:「生態組織用超音波顕微鏡のための音速分布推定法の検討」,日本音響学会2002年秋季研究発表会講演論文集, pp. 1011-1012 (2002)