Lang, Michael A and Robbins Ron (2009). «Scientific Diving Under Ice: A 40-Year Bipolar Research Tool.». I: Krupnik, I; Lang, MA; Miller, SE (red.). 2009. Smithsonian at the Poles: contributions to international Polar Year science.: 241–52. Arkivert frå originalen 28. september 2012. Henta 27. juni 2012.
Lang, Michael A and Robbins Ron (2009). «Scientific Diving Under Ice: A 40-Year Bipolar Research Tool.». I: Krupnik, I; Lang, MA; Miller, SE (red.). 2009. Smithsonian at the Poles: contributions to international Polar Year science.: 241–52. Arkivert frå originalen 28. september 2012. Henta 27. juni 2012.