Felicitas Engels-Neuhold : kristalsculpturen en glasgravures = crystal sculptures and glass engravings / ed.: J.P. Engels ; design: R. Verboog ; [authors: Piet Augustijn ... et al. ; transl.: Charles Frink]Troubled waters : the ambivalence of south-north partnerships in research for development : a case study / Ange Wieberdink ; [ed. by Charles Frink]Particulate matter: a closer look : the state of affairs in the particulate matter dossier from a Dutch perspective / [bijdragen van: E. Buijsman ... et al. ; vert. uit het nederlands: Charles Frink]PM2.5 in the Netherlands : consequences of the new European air quality standards / J. Matthijsen and H.M. ten Brink ; with conbributions from: M.J.L.C. Abels ... [et al. ; English ed.: Charles Frink]Fractions, percentages, decimals and proportions : a learning-teaching trajectory for grade 4, 5 and 6 / TAL-team: Frans van Galen, Els Feijs, Nisa Figueiredo, Els van Herpen, Ronald Keizer ; engelse vertaling Charles Frink ; foto's Frans van GalenBuilding as ornament : iconography in contemporary architecture / Michiel van Raaij ; translation [from the Dutch]: Charles FrinkRamya / Petra Stavast ; compilation and design Hans Gremmen and Petra Stavast ; translation Bookmakers, Charles FrinkBuilding as ornament : iconography in contemporary architecture / Michiel van Raaij ; translation [from the Dutch]: Charles Frink