1. Gas hydrates as a potential energy source: state of knowledge and challenges;Moridis,2013
2. The global occurrence of natural gas hydrate;Kvenvolden,2001
3. Natural gas hydrate as a potential energy resource;Collett,2003
4. Clathrate hydrates of natural gases;Sloan,2008
5. World crude and natural gas reserves rebound in 2000;Radler;Oil Gas J,2000