DOC: refs date

Author: sjsrey

docs/user-guide/graph/w_g_migration.ipynb

@@ -3771,7 +3771,7 @@
     "-  Arribas-Bel, D. (2019). *[Geographic Data Science, Lab 4](https://darribas.org/gds_course/content/bE/lab_E.html)*\n",
     "-  Fleischmann, M. (2024). *[Spatial Data Science for Social Geography, Ch 4](https://martinfleischmann.net/sds/chapter_04/hands_on.html)*\n",
     "-  Knaap, E. (2024). *[Urban Analysis & Spatial Science, Ch 9](https://knaaptime.com/urban_analysis/03_esda/spatial_graphs.html)*\n",
-    "-  Rey, S.J., D. Arribas-Bel, & L.J. Wolf *[Geographic Data Science with Python](https://www.routledge.com/Geographic-Data-Science-with-Python/Rey-Arribas-Bel-Wolf/p/book/9781032445953?gad_source=1&gclid=CjwKCAjw1920BhA3EiwAJT3lScLq-TnzytfU0JRyROH9eOG97U4r7YX3G0ZCs3p5mVGUymqptvNe6hoCkqcQAvD_BwE)*. CRC/Taylor Francis. [Chapter 4](https://geographicdata.science/book/notebooks/04_spatial_weights.html).\n"
+    "-  Rey, S.J., D. Arribas-Bel, & L.J. Wolf. (2023) *[Geographic Data Science with Python](https://www.routledge.com/Geographic-Data-Science-with-Python/Rey-Arribas-Bel-Wolf/p/book/9781032445953?gad_source=1&gclid=CjwKCAjw1920BhA3EiwAJT3lScLq-TnzytfU0JRyROH9eOG97U4r7YX3G0ZCs3p5mVGUymqptvNe6hoCkqcQAvD_BwE)*. CRC/Taylor Francis. [Chapter 4](https://geographicdata.science/book/notebooks/04_spatial_weights.html).\n"
    ]
   }
  ],