Citation [WLW04] is not referenced.
Warning, treated as error:
/scratch/builds/bob/nightlies/src/bob/bob.bio.face/doc/references.rst:15:Citation [WLW04] is not referenced.
Warning, treated as error:
/scratch/builds/bob/nightlies/src/bob/bob.bio.face/doc/references.rst:15:Citation [WLW04] is not referenced.