Connections to the Deep: Deep Vertical Migrations, an Important Part of the Life Cycle of Apherusa glacialis, an Arctic Ice-Associated Amphipod oleh Magnus Drivdal, Erin H. Kunisch, Bodil A. Bluhm, Rolf Gradinger, Stig Falk-Petersen, Jørgen Berge, Jørgen Berge, Jørgen Berge