TY  - RPRT
TI  - Very long-period signals associated with vulcanian explosions at Popocatepetl volcano, Mexico
AU  - A. Arciniega-Ceballos
AU  - B. A. Chouet
AU  - P. Dawson
PY  - 1999
DO  - 10.1029/1999gl005390
UR  - https://pubs.usgs.gov/publication/70021394
ID  - 70021394
ER  -