_:n900a5aa2835049fb95e1c22fe1bcfa1dxb0
<http://schema.org/datePublished>
"2017-09-19T23:43:00+01:00"^^<http://schema.org/Date>
<http://deb248211.blogspot.com/2017/09/land-of-confusion-biweek-bivisibility.html>