TY - RPRT TI - A laboratory study of particle ploughing and pore-pressure feedback: A velocity-weakening mechanism for soft glacier beds AU - J.F. Thomason AU - N.R. Iverson PY - 2017 DO - 10.3189/002214308784409008 UR - https://pubs.usgs.gov/publication/70033433 ID - 70033433 ER -