Add Bibtex entry for article by Waddington et al.

Documentation/closos.bib

@@ -344,4 +344,23 @@ BibTeX | BibTeX (beta) | EndNote | ACM Ref
  acmid = {3015146},
  publisher = {ACM},
  address = {New York, NY, USA},
+}
+
+@article{Waddington:2018:SCC:3289258.3186331,
+ author = {Waddington, Daniel and Harris, Jim},
+ title = {Software Challenges for the Changing Storage Landscape},
+ journal = {Commun. ACM},
+ issue_date = {November 2018},
+ volume = {61},
+ number = {11},
+ month = oct,
+ year = {2018},
+ issn = {0001-0782},
+ pages = {136--145},
+ numpages = {10},
+ url = {http://doi.acm.org/10.1145/3186331},
+ doi = {10.1145/3186331},
+ acmid = {3186331},
+ publisher = {ACM},
+ address = {New York, NY, USA},
 }