Wikipedia's content has been mirrored and forked by hundreds of sites including database dumps. Its content has also been used in academic studies, books and conferences. and used in court cases. The Canadian Parliament website refers to Wikipedia's article on same-sex marriage in the ""related links"" section of its ""further reading"" list for Civil Marriage Act. The encyclopedia's assertions are increasingly used as a source by organizations such as the U.S. Federal Courts and the World Intellectual Property Office — though mainly for supporting information rather than information decisive to a case. Wikipedia has also been used as a source in journalism, sometimes without attribution; several reporters have been dismissed for plagiarizing from Wikipedia.