TY  - BOOK
AU  - Ahrens,L.H.
TI  - Distribution of the elements in our planet
T2  - Earth and planetary science series
AV  - QE515 .A3
U1  - 551.9 
PY  - 1965///]
CY  - New York
PB  - McGraw-Hill
KW  - Geochemistry
KW  - Local
N1  - 921004; Bibliography: p. 101-102
ER  -