%0 Journal Article %A Berkvens, Louis %A Martyn, Georges %A Brood, Paul %T Woord vooraf %D 2019 %J Pro Memorie, %V 21 %N 2 %P 5-6 %@ 2667-1611 %R https://doi.org/10.5117/PM2019.2.001.BERK %I Amsterdam University Press, %X %U https://www.aup-online.com/content/journals/10.5117/PM2019.2.001.BERK