The Far-Infrared Spectroscopy of the Troposphere (FIRST) Instrument: New Technology for Measuring Earth's Energy Balance and Climate Change” - Earthzine

ESSD - Observations of the downwelling far-infrared atmospheric emission at the Zugspitze observatory

FIRST (Far-Infrared Spectroscopy of the Troposphere) - eoPortal

ESTO Showcase 2013 Archives - Earthzine

Review: far-infrared instrumentation and technological development for the next decade

Advanced Physics Lab FTIR: Fourier Transform Infrared Spectroscopy

Scientists reveal energy exchange between troposphere and

1.4: Theory - Geosciences LibreTexts

ESSD - Observations of the downwelling far-infrared atmospheric emission at the Zugspitze observatory

ESSD - Observations of the downwelling far-infrared atmospheric emission at the Zugspitze observatory

The O2 far-infrared absorption spectrum between 50 and 170 cm-1 - ScienceDirect

PSTEP: project for solar–terrestrial environment prediction

FIRST (Far-Infrared Spectroscopy of the Troposphere) - eoPortal