http://www.nikhef.nl/www/pub/default/doc/www_based_library.html
Please keep asking if the information is not good enough.
NOTE: The latest and greatest prereleases of Xmosaic cause trouble to our
server, which is a rather old version of the CERN httpd.
You may use the production version of Xmosaic or the linemode browser.
Best regards,
Willem van Leeuwen