Update README.md

README.md

@@ -2,10 +2,10 @@
 
 This package can be used to easily perform numerical inversions for 1D and 2D NMR relaxation and diffusion measurements.
 
-The default method is Tikhonov regularization, where the optimal smoothing term is determinded through generalized cross-validation.
+The default method is Tikhonov regularization, where the optimal smoothing term is determinded through generalized cross-validation, as described in [Mitchell et al 2012](https://doi.org/10.1016/j.pnmrs.2011.07.002).
 
-A GUI is implemented as an extension through the use of the GLMakie package, which enables interactive visualisation for 2D NMR experiments.
+A GUI is implemented as an extension through the use of the [GLMakie](https://github.com/MakieOrg/Makie.jl) package, which enables interactive visualisation for 2D NMR experiments.
 
 For more details, please refer to the documentation.
 
-If you have any problems or questions, please feel free to submit an issue.
+If you have any problems or questions, please feel free to [submit an issue](https://github.com/arismavridis/NMRInversions.jl/issues).