: s10680-018-9505-1http://link.springer.com/10.1007/ Create a prefix for http://link.springer.com/10.1007/ Hit Enter to save Double click to create a prefix | : doihttp://purl.org/ontology/bibo/ Create a prefix for http://purl.org/ontology/bibo/ Hit Enter to save Double click to create a prefix | 10.1007/s10680-018-9505-1 |