TY  - BOOK
ED  - International Geological Congress(21st : 1960 : Denmark
ED  - International Geological Congress
TI  - Geochemical cycles: Report of the 21st session, Norden
U1  - 550.631 
PY  - 1960///
CY  - Copenhagen
PB  - Det Berlingske Bogtrykkeri
KW  - Earth science
KW  - Geochemical cycle
KW  - Geology
ER  -