TY - RPRT TI - Source mechanics for monochromatic icequakes produced during iceberg calving at Columbia Glacier, AK AU - Shad O’Neel AU - W.T. Pfeffer PY - 2007 DO - 10.1029/2007gl031370 UR - https://pubs.usgs.gov/publication/70174788 ID - 70174788 ER -