remove https://doi.org/ prefix from paper.bib

Author: c4dynamics

paper/paper.bib

@@ -20,7 +20,7 @@ @ARTICLE{Luenberger3830260412
   year    = {1979},
   pages   = {446-446},
   city    = {New York},
-  doi     = {https://doi.org/10.1002/bs.3830260412}
+  doi     = {10.1002/bs.3830260412}
 }
 
 
@@ -97,7 +97,7 @@ @article{NEVAY2020107200
   pages = {107200},
   year = {2020},
   issn = {0010-4655},
-  doi = {https://doi.org/10.1016/j.cpc.2020.107200},
+  doi = {10.1016/j.cpc.2020.107200},
   url = {https://www.sciencedirect.com/science/article/pii/S0010465520300400},
   author = {L.J. Nevay and S.T. Boogert and J. Snuverink and A. Abramov and L.C. Deacon and H. Garcia-Morales and H. Lefebvre and S.M. Gibson and R. Kwee-Hinzmann and W. Shields and S.D. Walker},
   keywords = {Monte Carlo simulation, Particle accelerator, Geant4, Particle physics, Particle tracking},