TY  - RPRT
TI  - Petrologic characteristics of the 1982 and pre-1982 eruptive products of El Chichon volcano, Chiapas, Mexico
AU  - J. J. McGee
AU  - R.I. Tilling
AU  - W. A. Duffield
PY  - 1987
DO  - 10.22201/igeof.00167169p.1987.26.1.1190
UR  - https://pubs.usgs.gov/publication/70015239
ID  - 70015239
ER  -