add publication to read me

README.md

@@ -46,9 +46,9 @@ This code package is for the Tensor-Maximum-Entropy (TME) method. This method ge
 The BibTeX citations for the primary papers used in this project are:
 
 @article{elsayed,
-title={Structure in Neural Population Responses: Interesting or Epiphenomenal?},
-author={Elsayed et al.},
-journal={},
+title={Structure in neural population recordings: an expected byproduct of simpler phenomena?},
+author={Gamaleldin Elsayed, John Cunningham},
+journal={Nature Neuroscience},
 volume={},
 year={}
 }