K. Elo wrote:
url = {\url{[http://www.bundesregierung.de/dokumente/-,413_680598/Artikel/dokument.htm, besucht am 2. September 2005]}},
and the following is the reason why a \url in the bib file is not needed, because the bst file does it already ...
FUNCTION {format.url} { url empty$ { "" } { "\url{" url * "}" * } if$ }
Herbert