<http://webisa.webdatacommons.org/152005242>	<http://www.w3.org/ns/prov#value>	"According to the researcher, breakthrough was the publication of Prof. Karol Buczek, who proved in 1961 that one could not speak of such a thing as a city invested in Polish law." .
<http://webisa.webdatacommons.org/152005242>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/152005242>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pap.pl> .
<http://webisa.webdatacommons.org/prov/93547597>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/152005242> .