Inoue, Masumi, Heesup Choi, Yuhji Sudoh, and Koichi Ayuta. “Experimental Study of Leaching and Penetration of Nitrite Ions in Nitrite-Type Repair Materials on the Surface of Concrete”. Advances in Technology Innovation 2, no. 1 (January 1, 2017): 22–24. Accessed March 29, 2024. https://ojs.imeti.org/index.php/AITI/article/view/206.