fix references

paper/paper.bib

@@ -183,7 +183,7 @@ @software{Bender
 author = {Bender, Jan and others},
 license = {MIT},
 title = {{SPlisHSPlasH Library}},
-url = {https://github.com/InteractiveComputerGraphics/SPlisHSPlasH}
+howpublished = {url = {https://github.com/InteractiveComputerGraphics/SPlisHSPlasH}}
 }
 
 @article{Zhang:2021,
@@ -233,17 +233,13 @@ @Article{Liu:2022
 @article{Akinci:2013,
 author = {Akinci, Nadir and Akinci, Gizem and Teschner, Matthias},
 title = {Versatile surface tension and adhesion for SPH fluids},
+journal = {ACM Trans. Graph.},
 year = {2013},
-issue_date = {November 2013},
 publisher = {Association for Computing Machinery},
 volume = {32},
 number = {6},
 doi = {https://doi.org/10.1145/2508363.2508395},
-journal = {ACM Trans. Graph.},
-month = {nov},
-articleno = {182},
-numpages = {8},
-keywords = {surface tension, smoothed particle hydrodynamics, physically-based animation, fluid simulation, adhesion}
+month = {nov}
 }
 
 @article{Laukkanen:2020,