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of microfilm made from manuscripts or typescripts
*Distribution of electronic material in formats other than PDF
*Publication by indelible autograph (a signature or handwritten text that is written in a permanent, non-erasable form) after 1 January 1953
*Publication in trade catalogues or non-scientific newspapers (after 1 January 1953)
*Publication in seed-exchange lists (after 1 January 1973)
*Distribution

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