TY  - BOOK
AU  - Ahrens L H Ed.
ED  - 2nd Symposium on origin and distribution of the elements (1977 : Paris)
TI  - Proceeding on origin and distribution of the elements
U1  - H:(E)p1,N77, L9 
PY  - 1979///
CY  - Oxford
PB  - Pergamon Press        
KW  - Geology
ER  -