Takuzo Sato, Yoshihiro Suzuki, Hiroshi Kashiwagi, Motoi Nanjo, Yoshimi Kakui; A method for remote detection of oil spills using laser-excited Raman backscattering and backscattered fluorescence, IEEE J. Oceanic Eng., vol. 3, pp. 1 - 4, January 1978.
K. Sakurai, H. Kashiwagi, M. Kasamatsu, T. Sato, Y. Suzuki; Laser scanner and its application, OCEANS'73 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 31 - 34, September 1973.
Hiroshi Kashiwagi, Yoshihiro Suzuki; Laser beam behavior in the sea water, OCEANS'73 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 35 - 38, September 1973.