TY - RPRT TI - Source mechanism of Vulcanian degassing at Popocatépetl Volcano, Mexico, determined from waveform inversions of very long period signals AU - Bernard A. Chouet AU - Phillip B. Dawson AU - Alejandra Arciniega-Ceballos PY - 2005 DO - 10.1029/2004jb003524 UR - https://pubs.usgs.gov/publication/70029612 ID - 70029612 ER -