@ -14,6 +14,7 @@
"url": {"@id": "@id", "@type": "@id"},
"type": {"@id": "@type", "@type": "@id"},
"links": {"@id": "dc:link", "@type": "@id"},
"nicknames": "xpub:nick"
"nicknames": "xpub:nick",
"cover": { "@id": "xpub:cover", "@type": "@id" }
}