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  1. Paskin, N.: DOI: a 2003 progress report (2003) 8.48
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  2. Brand, A.: CrossRef turns one (2001) 8.48
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  3. Atkins, H.; Lyons, C.; Ratner, H.; Risher, C.; Shillum, C.; Sidman, D.; Stevens, A.: Reference linking with DOIs : a case study (2000) 8.48
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  4. Paskin, N.: DOI: current status and outlook (1999) 8.48
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