feat(dissertation): add formal model design decision

pub/dissertation/references.bib

@@ -82,3 +82,35 @@
   urldate = {2024-02-23},
 }
 
+@online{vdmj,
+  author = {Nick Battle},
+  title = {VDMJ},
+  url = {https://github.com/nickbattle/vdmj},
+  urldate = {2024-04-21},
+}
+
+@manual{overture-remote,
+  author = {Peter Gorm Larsen and Kenneth Lausdahl and Peter Jørgensen and Joey
+            Coleman and Sune Wolff and Nick Battle},
+  title = {Overture VDM-10 Tool Support: User Guide},
+  institution = {The Overture Initiative},
+  url = {
+         https://raw.github.com/overturetool/documentation/editing/documentation/UserGuideOvertureIDE/OvertureIDEUserGuide.pdf
+         },
+  chapter = {16},
+  pages = {81-98},
+  number = {TR-2010-02},
+  year = {2013},
+  month = {04},
+}
+
+@manual{vdmtoolbox-api,
+  author = {Kyushu University},
+  title = {The VDM Toolbox API},
+  url = {
+         https://github.com/vdmtools/vdmtools/raw/stable/doc/api-man/ApiMan_a4E.pdf
+         },
+  version = {1.0},
+  year = {2016},
+}
+