@misc{ctb-proj,
  title = {{Conv TTL Blocking Project Page on OHWR}},
  howpublished = {\url{http://www.ohwr.org/projects/conv-ttl-blo}}
}

@misc{ctb-repo,
  title = {{Conv TTL Blocking Repository on OHWR}},
  howpublished = {\url{http://www.ohwr.org/projects/conv-ttl-blo/repository}}
}
