Add bibliography

doc/SimplicialSurfaces.bib

@@ -0,0 +1,28 @@
+@article{PaperMeikeStrong,
+      title={Strong Embeddings of 3-connected Cubic Planar Graphs on Surfaces of non-negative Euler Characteristic}, 
+      author={Meike Weiß and Alice C. Niemeyer},
+      year={2024},
+      journal={arXiv e-prints},
+      eprint={2407.17972},
+      pages={arXiv:2407.17972},
+      archivePrefix={arXiv},
+      primaryClass={math.CO},
+      url={https://arxiv.org/abs/2407.17972}, 
+}
+
+
+@article {EnamiEmbeddings,
+    AUTHOR = {Enami, Kengo},
+     TITLE = {Embeddings of 3-connected 3-regular planar graphs on surfaces
+              of non-negative {E}uler characteristic},
+   JOURNAL = {Discrete Math. Theor. Comput. Sci.},
+  FJOURNAL = {Discrete Mathematics \& Theoretical Computer Science. DMTCS.},
+    VOLUME = {21},
+      YEAR = {2019},
+    NUMBER = {4},
+     PAGES = {Paper No. 11, 19},
+      ISSN = {1365-8050},
+   MRCLASS = {05C10},
+  MRNUMBER = {4026094},
+MRREVIEWER = {Yian\ Xu},
+}

gap/PolygonalComplexes/constructing_families.gd

@@ -15,7 +15,8 @@
 #! It is not checked whether <K>digraph</K> is a 3-connected graph.
 #!
 #! Note that, non-orientable surfaces of genus one are projective planes, orientable surfaces of genus one are tori
-#! and non-orientable surfaces of genus two are Klein bottles.
+#! and non-orientable surfaces of genus two are Klein bottles. This algorithm is based on <Cite Key="Enami"/> and
+#! <Cite Key="PaperMeikeStrong"/>.
 #!
 #! For example, consider the complete graph on four vertices:
 #! @BeginLogSession

makedoc.g

@@ -18,10 +18,11 @@ __SIMPLICIAL_LibraryConstructBinary();
 __SIMPLICIAL_LibraryConstructIndex();
 
 AutoDoc( rec( scaffold := rec(
-                    MainPage := false), 
+                    MainPage := false,
+                    bib := "SimplicialSurfaces"), 
               dir := "doc/",
               extract_examples := true,
-	      autodoc := rec( 
+	          autodoc := rec( 
                     files := [ ],
                     scan_dirs := ["doc", "gap", "gap/PolygonalComplexes", "gap/Paths", "gap/Library", "gap/ColouredComplexes", "gap/Flags", "gap/Morphisms"]),
               gapdoc := rec(