Canion, A, Prakash, O, Green, SJ, Jahnke, L, Kuypers, MMM and Kostka, JE (2013) Isolation and physiological characterization of psychrophilic denitrifying bacteria from permanently cold Arctic fjord sediments (Svalbard, Norway). Environmental Microbiology, 15(5). 1606-1618. doi:10.1111/1462-2920.12110