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In this paper we evaluate the long-term changes in ozone depletion within the Antarctic ozone hol...
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When surrounded by a transparant emission regionn, black holes are expected to reveal a dark shad...
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N. Kramarova, P. A. Newman,E. R. Nash, S. E. Strahan, C. S. Long, B. Johnson, M. Pitt...
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In 2007 KNMI has successfully upgraded the Dutch radar network. The digital receivers and data pr...
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