Merge pull request #69 from MobleyLab/mobley3

Edit long-range electrostatics section

Author: davidlmobley

paper/basic_training.bib

@@ -984,3 +984,28 @@ @article{Isele-Holder:2012:JChemPhys
   year = {2012},
   pages = {174107},
 }
+
+@article{Ewald_1921,
+author = {Ewald, P. P.},
+title = {Die Berechnung optischer und elektrostatischer Gitterpotentiale},
+journal = {Annalen der Physik},
+volume = {369},
+number = {3},
+pages = {253-287},
+doi = {10.1002/andp.19213690304},
+url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/andp.19213690304},
+eprint = {https://onlinelibrary.wiley.com/doi/pdf/10.1002/andp.19213690304}
+}
+
+@article{Paliwal:2013:J.Chem.TheoryComput.,
+  title = {Using {{Multistate Reweighting}} to {{Rapidly}} and {{Efficiently Explore Molecular Simulation Parameters Space}} for {{Nonbonded Interactions}}},
+  volume = {9},
+  issn = {1549-9618},
+  doi = {10.1021/ct4005068},
+  number = {11},
+  journal = {J. Chem. Theory Comput.},
+  author = {Paliwal, Himanshu and Shirts, Michael R.},
+  month = nov,
+  year = {2013},
+  pages = {4700-4717},
+}