Please send comments, suggestions, additions to:
Andreas Kopp Theoretische Physik IV Ruhr-Universität Bochum 44780 Bochum GERMANY Fax: 0(049)234 32-14-177 (phone32-2-3786) email address: ak@tp4.rub.de
The author of the bibliography is:
Dorothe Kugler Sachgebietsleitung Ausleihe Universitätsbibliothek Postfach 4020 55030 Mainz GERMANY Fax: 0(049)6131 392-4159 (phone 0880) email address: kugler@ub.uni-mainz.de