TY  - RPRT
TI  - Coexistence of twisted and untwisted crystals: An impurity/structural order model with implications for agate patterns
AU  - J. Comer
AU  - P. Ortoleva
PY  - 2007
DO  - 10.2138/am.2007.2547
UR  - https://pubs.usgs.gov/publication/70031454
ID  - 70031454
ER  -