The link below has been marked as a bad link because it no longer seems to work.
You can click on it to continue.
Prepare do be disappointed.
Bad Link:
https://philoscience.unibe.ch/oldsite-static/documents/unibe-intern/Ryan1997.pdf
Or you can try to see if you can find it in the Internet Archive
web.archive.org/web/*/https://philoscience.unibe.ch/oldsite-static/documents/unibe-intern/Ryan1997.pdf
