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Ramonet, M., M. Schmidt, L. Pépin, V. Kazan, D. Picard, D. Filippi, L. Jourd'heuil, C. Valant, G. Monvoisin, R. Sarda and P.Ciais. (2003). The French Trace Gas Monitoring Program (RAMCES). WMO/GAW Report, 148, 136–148.
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