TY - RPRT TI - Volcano monitoring using the Global Positioning System: Filtering strategies AU - K.M. Larson AU - Peter Cervelli AU - M. Lisowski AU - Asta Mikijus AU - P. Segall AU - S. Owen PY - 2001 DO - 10.1029/2001jb000305 UR - https://pubs.usgs.gov/publication/70023780 ID - 70023780 ER -