TY  - BOOK
AU  - Kothny,Evaldo L.
ED  - American Chemical Society.
TI  - Trace elements in the environment
U1  - 540 
PY  - 1973///
CY  - Washington
PB  - American Chemical Society
KW  - Trace elements
KW  - Environmental aspects
KW  - Geochemistry
ER  -