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Frankfurt am Main: Repair work telephone system

On 2 May, the Frankfurt site of the German National Library will be unavailable by telephone from 9.30 - 11.30 due to repair work.

Proportion of online publications in relation to the total number of dissertations and habilitation (2020)

Graphical representation: Proportion of online publications in relation to the total number of dissertations and habilitation by year of publication in the collection of the German National Library

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