Update preprint urls with the published journal article

Author: AaronPB

docs/index.md

@@ -322,3 +322,22 @@ Simple to install using Docker, and with all the documentation available inside
 </div>
 
 </div>
+
+## Citation
+
+If you are using this software, please use the following BibTeX citation to reference this work:
+
+```bibtex
+@article{POYATOSBAKKER2026120933,
+title = {An affordable open-source 3D force platform and a wide force range calibration method},
+journal = {Measurement},
+volume = {271},
+pages = {120933},
+year = {2026},
+issn = {0263-2241},
+doi = {https://doi.org/10.1016/j.measurement.2026.120933},
+url = {https://www.sciencedirect.com/science/article/pii/S0263224126006421},
+author = {Aarón-Raúl Poyatos-Bakker and Javier López-Martínez and Daniel García-Vallejo and José M. Muyor and José-Luis Blanco-Claraco},
+keywords = {Force platform, Ground reaction forces, Open software, In-situ calibration, Calibration matrix, Biomechanical analysis}
+}
+```

docs/platform/index.md

@@ -52,12 +52,12 @@ Fabrication drawings are available and can be downloaded at the following sectio
 
 [:material-file-cad:{.lg} Force platform design](./design.md){ .md-button .md-button--primary }
 
-### New calibration method for triaxial platforms
+### An affordable open-source 3D force platform and a wide force range calibration method
 
 A new calibration method has been developed for triaxial force platforms using a Smith-type resistance training machine.
-Check the article preprint here:
+Check the article here:
 
-[:fontawesome-solid-file-half-dashed: A new 3D force platform and calibration method](http://ssrn.com/abstract=5226079){ .md-button .md-button--primary }
+[:fontawesome-solid-file: An affordable open-source 3D force platform and a wide force range calibration method](https://www.sciencedirect.com/science/article/pii/S0263224126006421){ .md-button .md-button--primary }
 
 ### Force Platform Reader
 

docs/platform/research.md

@@ -1,6 +1,6 @@
-## :fontawesome-solid-file-invoice:{ .lg .middle } A new 3D force platform and calibration method
+## :fontawesome-solid-file-invoice:{ .lg .middle } An affordable open-source 3D force platform and a wide force range calibration method
 
-[:fontawesome-solid-file-half-dashed:   Preprint article](http://ssrn.com/abstract=5226079){ .md-button .md-button--primary }
+[:fontawesome-solid-file:   Journal article](https://www.sciencedirect.com/science/article/pii/S0263224126006421){ .md-button .md-button--primary }
 
 This work introduces a novel 3D force platform design grounded on the use of planar uniaxial load cells and ball wheels, easy to
 manufacture from off-the-self components leading to an affordable and accurate system. An accompanying open-sourced software