1. World's first development and application of HTSS(high tensile strength steel) with yield stress of 47 kgf/mm2 to actual ship hull structure, Mitsubishi Heavy Industries Ltd.;Hirota;Tech Rev.,2007
2. IACS UR S33, Requirements for Use of Extremely Thick Steel Plates, International Association of Classification Societies, 2018.
3. American Bureau of shipping, Higher-strength hull structural thick steel plate in container carrier, ABS, 2008.
4. Gremanischer Lloyd, Supplementary rules for application of steel with yield strength of 460N/mm2, GL, 2008.
5. Nippon Kaiji Kyokai, Rules for the survey and construction of steel ship’s, NK, 2006.