Ryota Okada
- (1993): Study Of Rubble Stone Scour Protection Works For Pier In Fast Current. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1993, n. 462 (March 1993).
- (1994): Study On Pouring, Confluence And Horizontal Joints Of Antiwashout Underwater Concrete For Large Scaleplacing. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1994, n. 492 (June 1994).
- (1992): 低発熱セメントの現状 (The State of the Art of Low-heat Cements). In: Concrete Journal (JCI), v. 30, n. 9 ( 1992).
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