University of Groningen Press
From telecollaboration to virtual exchange: state-of-the-art and the role of UNICollaboration in moving forward
2018 · Robert O’Dowd · Journal of virtual exchange
Palynological investigations in Western Iran
1977 · W. van Zeist, Sytze Bottema · Palaeohistoria
Late quaternary vegetation and climate of southwestern Turkey
2016 · W. van Zeist, H.E.S. Woldring, et al. · Palaeohistoria