TY  - RPRT
TI  - Discussion of Blundy and Holland's (1990) "Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer"
AU  - J. M. Hammarstrom
AU  - E-An Zen
PY  - 1992
DO  - 10.1007/bf00348957
UR  - https://pubs.usgs.gov/publication/70017252
ID  - 70017252
ER  -