by van Geel, B., Sevink, J., Mol, D., Langeveld, B. W., van der Ham, R. W. J. M., van der Kraan, C. J. M., van der Plicht, J., Haile, J. S., Rey‐Iglesia, A., Lorenzen, E. D.
Published in Journal of quaternary science (01.11.2018)

by Buijsen, J.R.M, Welzen, P.C. van, Ham, R.W.J.M. van der
Published in Systematic botany (2003)

by van der Ham, R.W.J.M., van Konijnenburg-van Cittert, J.H.A., Jagt, J.W.M., Indeherberge, L., Meuris, R., Deckers, M.J.M., Renkens, S., Laffineur, J.
Published in Review of palaeobotany and palynology (01.06.2017)

by van der Ham, R.W.J.M., Tomlik, A.
Published in Review of palaeobotany and palynology (01.09.1994)

by Segaar, P.J., van der Ham, R.W.J.M.
Published in Review of palaeobotany and palynology (01.12.1993)

by Ham, R.W.J.M. van der
Published in Review of palaeobotany and palynology (21.06.1989)

by van der Ham, R.W.J.M., van Konijnenburg-van Cittert, J.H.A., Indeherberge, L.
Published in Review of palaeobotany and palynology (01.05.2007)

by Ham, R. W. J. M. van der
Year of Publication 1990

by van der Ham, R.W.J.M., Dortangs, R.W.
Published in Review of palaeobotany and palynology (01.09.2005)

by van der Ham, R.W.J.M., van Konijnenburg-van Cittert, J.H.A., Dortangs, R.W., Herngreen, G.F.W., van der Burgh, J.
Published in Review of palaeobotany and palynology (01.11.2003)

by Sierra, S.E.C., Aparicio, M., Kulju, K.K.M., Fišer, Ž, van Welzen, P.C., van der Ham, R.W.J.M.
Published in Blumea (08.12.2006)

by Cobb, L., Jansen-Jacobs, M.J., van der Ham, R.W.J.M.
Published in Blumea (04.07.2007)

by van der Ham, R.W.J.M., van Konijnenburg-van Cittert, J.H.A., van der Burgh, J.
Published in Review of palaeobotany and palynology (01.09.2001)

by van der Ham, R.W.J.M., Hetterscheid, W.L.A., van Heuven, B.J.
Published in Review of palaeobotany and palynology (01.10.1998)

by van der Ham, R.W.J.M., Jagt, J.W.M., Janssens, H.J.
Published in Geologie en mijnbouw (01.11.2011)

by Ridder-Numan, J.W.A., van der Ham, R.W.J.M.
Published in Review of palaeobotany and palynology (01.05.1997)

by Neumann, C, Jagt, J W M, R WJ M van der Ham
Published in Mitteilungen aus dem Museum für Naturkunde in Berlin. Fossil record (01.01.2002)

by Ham, R.W.J.M. van der, Heuven, B.J. van
Published in Blumea (1989)

by Tissot, C. (Camille), Ham, R. W. J. M. van der
Year of Publication 1994