<http://www.blog.provesillya.com/2011/01/20/seks-pomogaet-sohranyat-brak/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.blog.provesillya.com/2011/01/20/seks-pomogaet-sohranyat-brak/>