TY  - RPRT
TI  - On hypersthene andesite and on triclinic pyroxene in augitic rocks
AU  - Whitman Cross
AU  - Samuel Franklin Emmons
PY  - 1883
DO  - 10.3133/b1
UR  - https://pubs.usgs.gov/publication/b1
ID  - b1
ER  -