def _isLinked(self):
  """Return True if another record links to this record"""
  if len( self._inx.iref_by_sect[self.uid].a.keys() ) == 0:
    return False
  for k in self._inx.iref_by_sect[self.uid].a.keys():
    if len( self._inx.iref_by_sect[self.uid].a[k] ) > 0:
      return True
  return False