Koops, Willem Roelf Henderikus and Wieder, Joachim.
IFLA's First Fifty Years: Achievement and challenge in international librarianship, Berlin, New York: De Gruyter Saur, 2011.
https://doi.org/10.1515/9783111356655Koops, W. & Wieder, J. (2011).
IFLA's First Fifty Years: Achievement and challenge in international librarianship. Berlin, New York: De Gruyter Saur.
https://doi.org/10.1515/9783111356655Koops, W. and Wieder, J. 2011.
IFLA's First Fifty Years: Achievement and challenge in international librarianship. Berlin, New York: De Gruyter Saur.
https://doi.org/10.1515/9783111356655Koops, Willem Roelf Henderikus and Wieder, Joachim.
IFLA's First Fifty Years: Achievement and challenge in international librarianship. Berlin, New York: De Gruyter Saur, 2011.
https://doi.org/10.1515/9783111356655