1. Giignl 2020 annual report, https://giignl.org/publications.
2. LNG storage tank, https://www.sohu.com/a/218502066_159655.
3. September 11 attacks, https://baike.baidu.com/item/9%C2%B711%E4%BA%8B%E4%BB%B6/5536910?fr=aladdin.
4. Design and Manufacture of Site Built, Vertical, Cylindrical, Flat-Bottomed Steel Tanks for the Storage of Refrigerated, Liquefied Gases with Operating Temperatures Between 0° C and -165° C - Part 1: General,2006
5. Design and Manufacture of Site Built, Vertical, Cylindrical, Flat-Bottomed Steel Tanks for the Storage of Liquefied Nature Gases - Part 1: General,2012