User-agent: *
Disallow: /mt/

User-agent: Googlebot
Disallow: /topics/calendar/
Disallow: /*?*a8=
Disallow: /*?*_bdadid=
Disallow: /*?*fpc=
Disallow: /*?*sc_i=
Disallow: /*?*waad=
Disallow: /*?*rb=
Disallow: /*?*link_id=