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        dct:title        "Reuter, M., M. Buchwitz, O. Schneising, S. Noel, H. Bovensmann, J. P.  Burrows, A Fast Atmospheric Trace Gas Retrieval for Hyperspectral Instruments Approximating Multiple Scattering"@en .

<https://www.iup.uni-bremen.de/carbon_ghg/docs/GHG-CCIplus/CRDP9/PUGs/PUG_CRDP9_v2_GHG-CCI_CO2_OC2_FOCA_v11.pdf>
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<https://www.iup.uni-bremen.de/carbon_ghg/docs/GHG-CCIplus/CRDP9/E3UBs/E3UB_CRDP9_v2_GHG-CCI_CO2_OC2_FOCA_v11.pdf>
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