Improve references to Stella etc

paper/paper.bib

@@ -189,7 +189,6 @@ @article{Dixit2022
   year={2022}
 }
 
-
 @article{Parker2002,
 	title = {Progress in integrated assessment and modelling},
 	doi = {10.1016/S1364-8152(01)00059-7},
@@ -201,4 +200,36 @@ @article{Parker2002
 	pages = {209--217},
 }
 
+@misc{World3Vensim,
+  title = {{{WORLD3-03}} - {{MetaSD}}},
+  author = {Tom Fiddaman},
+  year = {2010},
+  month = apr,
+  howpublished = {https://web.archive.org/web/20230205104440/https://metasd.com/2010/04/world3-03/}
+}
+
+@inproceedings{World3Modelica,
+  title = {World3 in {{Modelica}}: Creating System Dynamics Models in the {{Modelica}} Framework},
+  shorttitle = {World3 in {{Modelica}}},
+  booktitle = {Proceedings of the 6th {{International Modelica Conference}}},
+  author = {Cellier, Fran{\c c}ois E.},
+  year = {2008},
+  volume = {2},
+  pages = {393--400},
+  publisher = {{The Modelica Association Bielefeld}}
+}
+
 
+@article{World3Simulink,
+  title = {Application of Fuzzy Tools to the Automatic Analysis of System Dynamics Models: An Example of {{World3}}},
+  shorttitle = {Application of Fuzzy Tools to the Automatic Analysis of System Dynamics Models},
+  author = {Mediavilla, Margarita and Miguel, Luis J. and Retortillo, Pedro and {de Castro}, Carlos and Bl{\'a}zquez, L. Felipe},
+  year = {2014},
+  month = jan,
+  journal = {IFAC Proceedings Volumes},
+  series = {19th {{IFAC World Congress}}},
+  volume = {47},
+  number = {3},
+  pages = {8983--8988},
+  doi = {10.3182/20140824-6-ZA-1003.01654}
+}

paper/paper.md

@@ -55,7 +55,7 @@ Predicting the evolution of human society is a challenging and pressing question
 ![An example of the reproduction of a figure 7-7, World 3 reference run, included in [@Meadows1974]. The colored curves, which are generated by our package, have been superimposed on the original plots of the book (dotted, dashed, and one-character curves).](images/fig_7_7.png)
 
 # Related packages and implementations
-Besides the official implementations on Vensim and Stella, which are two of the most popular system dynamics simulation environment, World2 and World3 have been repeatedly implemented in several different programming languages and simulation environments, such as Simulink and Modelica. Here, we mention some implementations of these models in three popular programming languages. In Python, there are several repositories whose code implements some of the IAMs proposed by the Club of Rome: in our opinion, the most complete description of the World2 and World3 models and of their implementation is given in [@Vanwynsberghe2021]. An implementation of World2 in R is described in [@Mignan2020], while an implementation of the same model in C++ is given in [@Hay2021]. In the Julia ecosystem, there are some IAMs implemented using the Mimi framework [\texttt{Mimi.jl}](https://www.mimiframework.org), such as the one included in [\texttt{MimiPAGE2009.jl}](https://github.com/anthofflab/MimiPAGE2009.jl), a package that implements a model for estimating the social cost of carbon emissions [@Moore2018]. [\texttt{ClimateMARGO.jl}](https://github.com/ClimateMARGO) is an idealized framework for optimizing climate control strategies implementing the MARGO model [@Drake2021].
+Besides the official implementation in Stella (which was included in the CD-ROM attached to [@Meadows2004]), which is one of the most popular system dynamics simulation environments, World2 and World3 have been repeatedly implemented in several different programming languages and simulation environments, such as Modelica [@World3Modelica], Simulink [@World3Simulink] and Vensim [@World303Vensim]. Here, we mention some implementations of these models in three popular programming languages. In Python, there are several repositories whose code implements some of the IAMs proposed by the Club of Rome: in our opinion, the most complete description of the World2 and World3 models and of their implementation is given in [@Vanwynsberghe2021]. An implementation of World2 in R is described in [@Mignan2020], while an implementation of the same model in C++ is given in [@Hay2021]. In the Julia ecosystem, there are some IAMs implemented using the Mimi framework [\texttt{Mimi.jl}](https://www.mimiframework.org), such as the one included in [\texttt{MimiPAGE2009.jl}](https://github.com/anthofflab/MimiPAGE2009.jl), a package that implements a model for estimating the social cost of carbon emissions [@Moore2018]. [\texttt{ClimateMARGO.jl}](https://github.com/ClimateMARGO) is an idealized framework for optimizing climate control strategies implementing the MARGO model [@Drake2021].
 
 
 # Future work