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Dierickx, H. (Bearb.); Hopkinson, A. (Bearb.): UNISIST reference manual for machine-readable bibliographic description (1986)
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Hopkinson, A. (Bearb.): Implementation notes for users of the Common Communication Format for bibliographic information (CCF/B) (1993)
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Hopkinson, A. (Bearb.): Implementation notes for users of the Common Communication Format for factual information (CCF/F) (1993)
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