TY  - BOOK
AU  - Siegel F R Ed.
TI  - Review of research on modern problems in geochemistry
T2  - Earth sciences; 16
U1  - H:(E):f, L9 
PY  - 1979///
CY  - Paries
PB  - UNESCO         
KW  -  Geochemistry
KW  - Geology
ER  -