TY  - GEN
AU  - Kirshner,R P
TI  - The Earth's elements
SN  - 0036-8733
PY  - 1999///0306
KW  - Astronomical Phenomena
KW  - Astronomy
KW  - Earth, Planet
KW  - Elements
KW  - Evolution, Chemical
KW  - Extraterrestrial Environment
KW  - Gravitation
KW  - Nuclear Fusion
KW  - Nuclear Physics
KW  - Solar System
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/scientificamerican1094-58
ER  -