Takekazu Koyanagi
- (1985): Estimating Generation Of Cut Slopes And Its Landscape Impacts In Preliminary Highway Location. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1985, n. 359 (juillet 1985).
- (1991): Laboratories in Urban System Planning Section, Department of Urban and Civil Engineering, Faculty of Engineering, Ibaraki University. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 431 (juillet 1991).
- (2004): 地盤沈下災害を対象とした社会基盤被害想定マップの構築 (A hazard map for estimating infrastructure damage caused by land subsidence). Dans: Journal of Applied Computing in Civil Engineering, v. 13 ( 2004).
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