1. Thomas, S., Dawe, R.A.: Review of ways to transport natural gas energy from countries which do not need the gas for domestic use. Energy 28, 1461–1477 (2003)
2. Gudmundsson, J.S., Hveding, F., Borrehaug, A.: Transport of natural gas as frozen hydrate, 5th international offshore and polar engineering conference, Hague (1995)
3. Gudmundsson, J.S., Brrehaug, A.: Frozen hydrate for transport of natural gas. 2nd international conference on natural gas hydrate, Toulouse (1996)
4. Miata, K., Okui, T., Hirayama, H., Ihara, M.: A challenge to high-rate industrial production of methane hydrate. 4th international conference on gas hydrates, Yokohama (2002)
5. Takaoki, T., Iwasaki, T., Katoh, Y., Arai, T., Horiguchi, L.: Use of hydrate pellets for transformation of natural gas-I: advantage of pellet form of natural gas hydrate in sea transportation. 4th international conference on gas hydrates, Yokohama (2002)