TY  - RPRT
TI  - Heavy elements in surface materials - Determination by alpha particle scattering.
AU  - Economou, T. E.
AU  - Anderson, W. A.
AU  - Blume, E. M.
AU  - Turkevich , A. L.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19730058727
ID  - 19730058727
ER  -