TY  - GEN
AU  - Ahrens, Louis Herman
AU  - 
AU  - Cameron, A. G. W.
AU  - 
TI  - ORIGIN AND DISTRIBUTION OF THE ELEMENTS
U1  - 551.9 
PY  - 1968///
CY  - Oxford
PB  - Pergamon
KW  - Geochemistry -- Congresses
KW  - Chemical Elements -- Congresses
N1  - Includes Bibliography; Co-Sponsored By Unesco And The International Union Of Geological Sciences; Papers In Englis, French Or German
ER  -