TY  - BOOK
AU  - Ernst,W.G.
TI  - Earth materials
T2  - Foundations of earth science series
AV  - QE364.E72 1969 
PY  - 1969///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Mineralogy
KW  - Geochemistry
KW  - Petrology
ER  -