H. Koyama
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- 海水および海砂を用いた自己充填型コンクリートの基礎特性 (Basic Properties of Self-compacting Concrete Using Seawater and Sea Sand). Dans: Concrete Journal (JCI), v. 53, n. 12 ( 2015). (2015):
- Action Mechanism and Application Examples of C-S-H Type Accelerator. Dans: Concrete Journal (JCI), v. 57, n. 1 ( 2019). (2019):