<http://schema.org/acceptedPaymentMethod>
"http://purl.org/goodrelations/v1#ByInvoice"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.copydon.de/double-a-kopierpapier-weiss-din-a3-da100a3-din-a3-500-100-g-m.html>