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+# V4
+
+Have not release v3, but many change to `skate` so we may continue with v4.
+
+# Unstructured
+
+```
+{
+  "biblio": {
+    "unstructured": "J. Häger, W. Krieger, T. Rüegg, and H. Walther, J. Chem. Phys. 72, 4286 (1980).JCPSA60021-9606"
+  },
+  "index": 8,
+  "key": "_r4",
+  "ref_source": "crossref",
+  "release_year": 1983,
+  "release_ident": "tebzylkszzbyjggye5ssmebdcy",
+  "work_ident": "aaaofyp6uzcdnbe7hvfahylyha"
+}
+```
+
+We should be able to match: "J. Chem. Phys.", also maybe "72, 4286 (1980)", w/
+id, title we should be able to match to:
+https://fatcat.wiki/release/d2k7en7tzzdzzddwfo5xlqx4ce
+
+If nothing else defined, and unstructured contains a URL, we may extract that.
+
+```
+{
+  "biblio": {
+    "unstructured": "Friedrich-Ebert-Stiftung (FES) 2008 FES in Nepal. FES http://www.fesnepal.org/about/fes_in_nepal.htm (accessed February 15, 2009)"
+  },
+  "index": 19,
+  "key": "CIT0020",
+  "ref_source": "crossref",
+  "release_year": 2011,
+  "release_ident": "xqgaanhpf5gotdxxxytgyxw2ty",
+  "work_ident": "aaaq35j3angwzdpzcvzdil3v4y"
+}
+```
+
+Also, these may say: "accessed at ..."