Paull, Charles K.; Ussler, William, III (2000): History and significance of gas sampling during DSDP and ODP drilling associated with gas hydrates. American Geophysical Union, Washington, DC, United States, In: Paull, Charles K. (editor), Dillon, William P. (editor), Natural gas hydrates; occurrence, distribution, and detection, 124, 53-65, georefid:2001-071702