
https://www.pacom.mil/Portals/55/Documents/pdf/J06-Sierra%20Madre%20and%20Second%20Thomas%20Shoal.pdf?ver=pLzHUXFTPSsSWX5ElSc8lA%3D%3D

UNCLOS 
https://en.wikipedia.org/wiki/South_China_Sea_Arbitration

https://www.uscc.gov/research/south-china-sea-arbitration-ruling-what-happened-and-whats-next