_:n4026915c0e484956a76725dcb30f7f66xb4
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://link.springer.com/article/10.1007/BF02316409?error=cookies_not_supported&code=06d4246e-ab88-42d3-8085-6f6b2350e10f>