Update and add missing MA standards

Signed-off-by: Pierre R. Mai <pmai@pmsf.de>

Author: pmai

content/general_docs/bibliography.bib

@@ -1,9 +1,23 @@
 % Encoding: UTF-8
 
-@techreport{fmi2.0,
+@misc{fmi2.0,
   organization = {{Modelica Association}},
-  title        = {https://fmi-standard.org/assets/releases/FMI_for_ModelExchange_and_CoSimulation_v2.0.pdf[FMI 2.0^], __Functional Mock-up Interface for Model Exchange and Co-Simulation v2.0__},
-  year         = {2014},
+  title        = {https://github.com/modelica/fmi-standard/releases/download/v2.0.4/FMI-Specification-2.0.4.pdf[FMI 2.0.4^], __Functional Mock-up Interface for Model Exchange and Co-Simulation 2.0.4__},
+  year         = {2022},
+  address      = {Linköping Sweden}
+}
+
+@misc{fmi3.0,
+  organization = {{Modelica Association}},
+  title        = {https://fmi-standard.org/docs/3.0.1/[FMI 3.0.1^], __Functional Mock-up Interface Specification 3.0.1__},
+  year         = {2023},
+  address      = {Linköping Sweden}
+}
+
+@misc{ssp1.0,
+  organization = {{Modelica Association}},
+  title        = {https://ssp-standard.org/publications/SSP101/SystemStructureAndParameterization101.pdf[SSP 1.0.1^], __System Structure and Parameterization 1.0.1__},
+  year         = {2022},
   address      = {Linköping Sweden}
 }