Читать книгу Monument Future - Siegfried Siegesmund - Страница 71

This work was supported by the German Research Foundation (Si-438/52-1) and the German Federal Environmental Foundation (AZ20017/481). We would like to thank J. L. Noria Sánchez, A. E. Andrade Cuautle and M. Á. González for the support of the on site work. For the laboratory support and helpful comments we thank K. Wemmer, J.Menningen, W. Wedekind and C. Gross.