1. Clathrate Hydrates of Natural Gases;Sloan,2008
2. The use of horizontal wells in gas production from hydrate accumulations;Moridis,2008
3. Natural gas hydrates – a review;Collett,2009
4. Formation of large natural gas fields in zones of permanently low temperatures;Makogon;Dklady Academii Nauk SSR,1972
5. Natural gas hydrates of the Prudhoe Bay and Kuparuk river area, North Slope Alaska;Collett;AAPG Bulletin,1993