1. Doctoral thesis;T.W.M. Bakker,1981
2. Braak, C.J.F. ter. 1986. Canonical correspondence analysis: a new eigenvector technique for multivariate direct gradient analysis. Ecology 67: 1167?1179.
3. Braak, C.J.F. ter. 1988. CANOCO - an extension of DECORANA to analyze species-environment relationships. Vegetatio 75: 159?160.
4. Doody, J.P. 1989. Climate change and sea level rise - impacts on coastal sand dunes and dune vegetation in Great Britain. In: Landscape ecological impact of climatic change on coastal dunes in Europe. 19 pp. Edited by Van der Meulen et al. Working report for LICC conference. Lunteren, the Netherlands, pp. 171.
5. Huis, J. van. 1989. European dunes, climate and climate change, with case studies of the Coto Doñana (Spain) and the Slowi?ski (Poland) national Parks. In: Perspectives in coastal dune management. pp. 313?326. Edited by Van der Meulen et al. SPB Acad. Publ., The Hague.