Lee, S. Y., Lee, H. C., Park, C. S., Woo, K. M., and Suh, Y. T. (2010) Development
of High-Strength in 600, 700, 800 MPa Class of Yield Strength and Seismic Resistant
Steel Deformed Bar. Magazine of the Korea Concrete Institute 22(5), 28-36. (In Korean)