TY  - BOOK
AU  - Powell, Roger,
TI  - Equilibrium thermodynamics in petrology: an introduction 
SN  - 0063180618 :;0063180731 (pbk.).
U1  - 552 23
PY  - 1978///
CY  - London ;;New York
PB  - Harper & Row
KW  - Petrology.;Thermodynamic equilibrium
ER  -