HARADA Masayoshi, SAI Kouji, MISHIMA Masako, YOSHIDA Isao, HIRAMATSU Kazuaki, MORI Makito. On the Formation and Destructive Processes of Density Stratification in Lake Koyama. Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering. 2007. 251. 251. 107-115
Numerical Estimation of Chlorophyll-a Concentration in an Eutrophic Brackish Lake using Artificial Neural Network Models
(Japan-Germany International Cooperative Project on Education and Research Multi-Functionality and Sustainability of Land Use in SE. and E. Asia 2007)