Roy, S, Senger, K, Hovland, M, Römer, M and Braathen, A (2019) Geological controls on shallow gas distribution and seafloor seepage in an Arctic fjord of Spitsbergen, Norway. Marine and Petroleum Geology, 107. 237-254. doi:10.1016/j.marpetgeo.2019.05.021
Hovland, M, MacDonald, IR, Rueslatten, H, Johnsen, HK, Naehr, T and Bohrmann, G (2005) Chapopote asphalt volcano may have been generated by supercritical water. EOS, Transactions , 86(42). 397, 402. doi:10.1029/2005EO420002