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- Simmonds, Peter G. [remove] 6
- 551.51 3
- Air -- Pollution -- Meteorological aspects -- Periodicals 3
- Air -- Pollution -- Periodicals 3
- 551.5 2
- Geophysics -- Periodicals 2
- 550 1
- Atmospheric physics -- Periodicals 1
- Baseline mixing ratios -- Trace gases -- Seasonal cycle amplitudes -- Seasonal cycle phases 1
- Hydrogen -- Long-term trends -- Baseline levels -- European pollution events -- Seasonal cycles 1
- Lunar geology -- Periodicals 1