@prefix : <https://semantic-network.de/umthes/>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix dct: <http://purl.org/dc/terms/>.
@prefix foaf: <http://xmlns.com/foaf/spec/>.
@prefix iqvoc: <http://try.iqvoc.net/schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix schema: <https://semantic-network.de/umthes/schema#>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix skosxl: <http://www.w3.org/2008/05/skos-xl#>.
@prefix sns: <https://sns.uba.de/schema#>.
@prefix void: <http://rdfs.org/ns/void#>.

:BO20 a skos:Collection;
      skosxl:prefLabel :bo20-boden-wirkung-von-belastungen;
      skos:prefLabel "BO20 Boden: Wirkung von Belastungen"@de;
      skosxl:altLabel :bo20-effects-of-soil-pollution;
      skos:altLabel "BO20 Effects of soil pollution"@en;
      skos:member :_00011702;
      skos:member :_00663789;
      skos:member :_00017766;
      skos:member :_00600627;
      skos:member :_00001198;
      skos:member :_00006617;
      skos:member :_6e1d5117;
      skos:member :_7d37e9b4;
      skos:member :_00018584;
      skos:member :_89c97c9b;
      skos:member :_00018575;
      skos:member :_00028791;
      skos:member :_00004391;
      skos:member :_00028787;
      skos:member :_00650667;
      skos:member :_00047263;
      skos:member :_00050479.