Dear William
thank you best for your information concerning Petrotrochus.
I was really surprised to receive this answer so quickly.
Where do come from ?
thank you very best yours Helmut
Helmut Nisters
Franz-Fischer-Str. 46
A-6020 Innsbruck / Austria / Europe
phone and fax: 0043 / 512 / 57 32 14
e-mail: [log in to unmask]