TY  - RPRT
TI  - Trace-element variations at Summer Coon volcano, San Juan Mountains, Colorado, and the origin of continental-interior andesite
AU  - Robert A. Zielinski
AU  - Peter W. Lipman
PY  - 1976
DO  - 10.1130/0016-7606(1976)87<1477:tvascv>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70207630
ID  - 70207630
ER  -