The PhD Thesis (Université de Montpellier II - Science et Techniques du Languedoc, Montpellier, France; supervisors: Prof. Y. Escoufier) is now freely available in PDF-format. It can be read with Adobe Acrobat Reader or GhostView. The thesis is only availalbe as a single PDF file of the entire book, but several versions are available.
P.M. Kroonenberg
Education and Child Studies, Leiden University
Wassenaarseweg 52, 2333 AK Leiden, The Netherlands
Tel. *-31-71-5273446/5273434 (secr.); fax *-31-71-5273945
E-mail:
kroonenb at fsw.leidenuniv.nl