TY  - RPRT
TI  - 13CO2/12CO2 isotopic ratio measurements using a difference frequency-based sensor operating at 4.35 micrometers
AU  - Erdelyi, M.
AU  - Richter, D.
AU  - Tittel, F. K.
PY  - 2002
UR  - https://ntrs.nasa.gov/citations/20040087818
ID  - 20040087818
ER  -