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            "credit": "Freeman, E.; Woodruff, S. D.; Worley, S. J.; Lubker, S. J.; Kent, E. C.; Angel, W. E.; Berry, D. I.; Brohan, P.; Eastman, R.; Gates, L.; Gloeden, W.; Ji, Z.; Lawrimore, J.; Rayner, N. A.; Rosenhagen; G. and Smith, S. R. (2016):International Comprehensive Ocean-Atmosphere Data Set (ICOADS) Release 3.0 - Monthly Summary Groups (MSG), Revision 3.0. NOAA National Centers for Environmental Information (NCEI).",
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