TY  - RPRT
TI  - Tabulation of meteorological variables and concentrations of helium, carbon dioxide, oxygen, and nitrogen in soil gases collected regularly from a site at Reston, Virginia, for one year
AU  - Margaret Hinkle
AU  - Kristin O. Dennen
PY  - 1989
DO  - 10.3133/ofr8910
UR  - https://pubs.usgs.gov/publication/ofr8910
ID  - ofr8910
ER  -