TY  - RPRT
TI  - PETRO.CALC.PLOT, Microsoft Excel macros to aid petrologic interpretation
AU  - G.B. Sidder
PY  - 1994
DO  - 10.1016/0098-3004(94)90040-x
UR  - https://pubs.usgs.gov/publication/70017637
ID  - 70017637
ER  -