Update references.bib

Author: mjhajharia

examples/references.bib

@@ -174,4 +174,14 @@ @book{gelman2013bayesian
   publisher={Chapman and Hall/CRC}, 
   author={Gelman, Andrew and Carlin, John B. and Stern, Hal S. and Dunson, David B. and Vehtari, Aki and Rubin, Donald B.},
   year={2013}
-}
+}
+@article{efron1975data,
+  title={Data analysis using Stein's estimator and its generalizations},
+  author={Efron, Bradley and Morris, Carl},
+  journal={Journal of the American Statistical Association},
+  volume={70},
+  number={350},
+  pages={311--319},
+  year={1975},
+  publisher={Taylor \& Francis}
+}