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Sorry for the confusion. The page I'm experimenting with is here> http:[slashslash]asobiba.de[slash]martin[slash]CV.php (See section 5.)
Since many of my talks and papers do not appear in any proceedings, I usually list them as conference papers given at a certain conference, in a certain place. It works on the page with the abovementioned workaround, but I was wondering if there is another solution. this is also the page I had in mind when posting the other suggestion about advanced sorting...
This is probably a question from the periphery (humanities), so please feel free to ignore...