1. The herring swimbladder: Loss and gain of gas;Blaxter;J. Mar. Biol. Assoc. UK,1984
2. Jónsdóttir, J.F., Einarsson, B., 2006. Nýtt mat á afrennsli Íslands, frumniðurstöð ur. Reykjavík, National Energy Authority, Hydrological Service, Technical report JFJ-BEE-2006/01, 85 pp. [In Icelandic].
3. Sprat Sprattus sprattus can exploit low oxygen waters for overwintering;Kaartvedt;Mar. Ecol. Prog. Ser.,2009
4. Open ocean momentum flux measurements in moderate to strong winds;Large;J. Phys. Oceanogr.,1981
5. Marine Research Institute. 2014. State of Marine Stocks in Icelandic Waters 2013/2014 - Prospects for the Quota Year 2014/2015. Marine Research Institute in Iceland 176. 188 pp. http://www.hafro.is/Bokasafn/Timarit/fjolrit-176.pdf (accessed 14.12.18).