added salza paper

android.bib

@@ -682,16 +682,27 @@
 }
 
 @ARTICLE{Moreno:2017:AAA,
-author = {L. Moreno and G. Bavota and M. D. Penta and R. Oliveto and A. Marcus and G. Canfora},
+author = {L. Moreno and G. Bavota and M. D. Penta and R. Oliveto and
+                  A. Marcus and G. Canfora},
 journal = "IEEESE",
-title = {ARENA: An Approach for the Automated Generation of Release Notes},
+title = {ARENA: An Approach for the Automated Generation of Release
+                  Notes},
 year = {2017},
 volume = {43},
 number = {2},
 pages = {106-127},
-keywords={Libraries;Licenses;Feature extraction;Documentation;Computer bugs;Open source software},
+keywords={Libraries;Licenses;Feature extraction;Documentation;Computer
+                  bugs;Open source software},
 doi = {10.1109/TSE.2016.2591536},
 url = {doi.ieeecomputersociety.org/10.1109/TSE.2016.2591536},
 ISSN = {0098-5589},
 month={Feb.}
 }
+
+@InProceedings{Salza:2018:DDU,
+  author = 	 {Pasquale Salza and Fabio Palomba and Dario Di Nucci and
+                  Cosmo D'Uva and Andrea De Lucia and Filomena
+                  Ferrucci},
+  title = 	 "Do Developers Update Third-Party Libraries in Mobile Apps?",
+  crossref =     "ICPC2018",
+}

crossrefs.bib

@@ -2897,6 +2897,16 @@
   month =	 jun,
 }
 
+@Proceedings{ICPC2018,
+  title =	 "ICPC 2018: Proceedings of the 26th IEEE
+                  International Conference on Program Comprehension",
+  booktitle =	 "ICPC 2018: Proceedings of the 26th IEEE
+                  International Conference on Program Comprehension",
+  year =	 2018,
+  address =	 "Gothenburg, Sweden",
+  month =	 may,
+}
+
 @Proceedings{ICPP86,
   title =	 "ICPP '86: Proceedings of the International
                   Conference on Parallel Processing",