Dear all, who are interested in exchange shells, they can view my list at the following adress: http://ipp.boku.ac.at/private/wf/EXCHANGE%20LIST.html Best regards Wolfgang Fischer Wolfgang Fischer Institut fuer Pflanzenbau u. Pflanzenzuechtung Universitaet fuer Bodenkultur Gregor Mendel Str. 33 1180 Wien AUSTRIA http://ipp.boku.ac.at/private/wf/index.html E-mail: [log in to unmask] Fax: ++43 1 47654-3342 Tel: ++43 1 47654-3307