<http://experiment.worldcat.org/entity/work/data/9416659.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/9416659.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/9416659> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/about> <http://id.worldcat.org/fast/1071476> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/name> "Aktualne problemy demograficzne kraju : konferencja naukowa, Warszawa 17-18 IV 1974 r" .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/contributor> <http://id.loc.gov/authorities/names/n79150429> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/workExample> <http://www.worldcat.org/oclc/180037740> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2642493646> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/workExample> <http://www.worldcat.org/oclc/3357175> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/9416659#Place/poland> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/about> <http://id.worldcat.org/fast/1206891> .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/name> "Aktualne problemy demograficzne kraju konferencja naukowa, Warszawa 17-18.4.1974 r" .
<http://worldcat.org/entity/work/id/9416659> <http://schema.org/contributor> <http://viaf.org/viaf/139290788> .
<http://worldcat.org/entity/work/id/9416659> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/CreativeWork> .
<http://experiment.worldcat.org/entity/work/data/9416659#Place/poland> <http://schema.org/name> "Poland" .
<http://experiment.worldcat.org/entity/work/data/9416659#Place/poland> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Place> .