<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  This file is part of the Nederlandse taxonomy (NT, Dutch Taxonomy)
  Intellectual Property State of the Netherlands
  Released by the Dutch SBR Programme
  Release date Fri Mar 1 9:00:00 2019
-->
<link:linkbase xmlns:gen="http://xbrl.org/2008/generic" xmlns:label="http://xbrl.org/2008/label" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd http://xbrl.org/2008/label http://www.xbrl.org/2008/generic-label.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#standard-label" xlink:type="simple"/>
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role" xlink:type="simple"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/arcrole/2008/element-label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#element-label" xlink:type="simple"/>
  <gen:link xlink:role="http://www.xbrl.org/2008/role/link" xlink:type="extended">
    <gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="sbr-arc-2019_ParentChildSummation_loc" xlink:to="sbr-arc-2019_ParentChildSummation_label_nl" xlink:type="arc"/>
    <label:label id="sbr-arc-2019_ParentChildSummation_label_nl" xlink:label="sbr-arc-2019_ParentChildSummation_label_nl" xlink:role="http://www.xbrl.org/2008/role/label" xlink:type="resource" xml:lang="nl">Arcrole voor het aangeven van een sommatierelatie tussen parent en child.</label:label>
    <link:loc xlink:href="sbr-arcroles-2019.xsd#sbr-arc-2019_ParentChildSummation" xlink:label="sbr-arc-2019_ParentChildSummation_loc" xlink:type="locator"/>  
  </gen:link>
</link:linkbase>