Add Bibtex entry for article by Barroso et al.

Documentation/closos.bib

@@ -326,3 +326,22 @@ BibTeX | BibTeX (beta) | EndNote | ACM Ref
  address = {New York, NY, USA},
  keywords = {compaction, concurrent garbage collection, garbage collection, memory management, runtime systems},
 }
+
+@article{Barroso:2017:AKM:3069398.3015146,
+ author = {Barroso, Luiz and Marty, Mike and Patterson, David and Ranganathan, Parthasarathy},
+ title = {Attack of the Killer Microseconds},
+ journal = {Commun. ACM},
+ issue_date = {April 2017},
+ volume = {60},
+ number = {4},
+ month = mar,
+ year = {2017},
+ issn = {0001-0782},
+ pages = {48--54},
+ numpages = {7},
+ url = {http://doi.acm.org/10.1145/3015146},
+ doi = {10.1145/3015146},
+ acmid = {3015146},
+ publisher = {ACM},
+ address = {New York, NY, USA},
+}