Davies , D , Bingham , R G , King , E C , Smith , A M , Brisbourne , A M , Spagnolo , M , Graham , A G C , Hogg , A E & Vaughan , D G 2018 , ' How dynamic are ice-stream beds? ' , The Cryosphere , vol. 12 , no. 5 , pp. 1615-1628 . https://doi.org/10.5194/tc-2017-214 , https://doi.org/10.5194/tc-12-1615-2018