$for(years)$ $for(it.months)$ $for(it.days)$ $for(it.posts)$ @article{$it.slug$ title = {$it.title$}, $if(it.author)$ author = $it.author$, $endif$ $if(it.date)$ pub_date = $it.date$ $endif$ $if(it.year)$ year = ${it.year}, $endif$ url = {$it.document$} } $endfor$ $endfor$ $endfor$ $endfor$