TY  - RPRT
TI  - Problems encountered in the use of neutron methods for elemental analysis on planetary surfaces
AU  - F. Senftle
AU  - P. Philbin
AU  - R. Moxham
AU  - G. Boynton
AU  - J. Trombka
PY  - 1974
DO  - 10.1016/0029-554x(74)90289-4
UR  - https://pubs.usgs.gov/publication/70010172
ID  - 70010172
ER  -