TY  - RPRT
TI  - Cummingtonite: A reversible, nonquenchable transition from P21/m to C2/m symmetry
AU  - C.T. Prewitt
AU  - J. J. Papike
AU  - M. Ross
PY  - 1970
DO  - 10.1016/0012-821x(70)90150-0
UR  - https://pubs.usgs.gov/publication/70010269
ID  - 70010269
ER  -