TY - RPRT TI - Long period seismic source characterization at Popocatépetl volcano, Mexico AU - Alejandra Arciniega-Ceballos AU - Phillip Dawson AU - Bernard A. Chouet PY - 2012 DO - 10.1029/2012gl053494 UR - https://pubs.usgs.gov/publication/70041414 ID - 70041414 ER -