added porter felt papers

android.bib

@@ -20,6 +20,23 @@
   publisher =	 {IEEE Press},
 }
 
+@inproceedings{Felt:2012:IGP,
+ author = {Felt, Adrienne Porter and Egelman, Serge and Wagner, David},
+ title = {I'Ve Got 99 Problems, but Vibration Ain'T One: A Survey of Smartphone Users' Concerns},
+ crossref = "SPSM2012",
+ pages = {33--44},
+ doi = {10.1145/2381934.2381943},
+ publisher = {ACM},
+ keywords = {risks, smartphones, warnings},
+} 
+
+@inproceedings{Felt:2012:HAP,
+ author = {Felt, Adrienne Porter and Egelman, Serge and Finifter, Matthew and Akhawe, Devdatta and Wagner, David},
+ title = {How to Ask for Permission},
+ crossref = "USENIXHotSec2012",
+ publisher = {USENIX Association},
+}
+
 @inproceedings{Rapoport:2017:WGC,
   author =	 {Marianna Rapoport and Philippe Suter and Erik
                   Wittern and Ondrej Lhot{\'{a}}k and Julian Dolby},

crossrefs.bib

@@ -7504,6 +7504,18 @@
   month =	 oct,
 }
 
+@Proceedings{SPSM2012,
+  title =	 "SPSM 2012: Proceedings of the 2nd ACM Workshop on
+                  Security and Privacy in Smartphones and Mobile
+                  Devices",
+  booktitle =	 "SPSM 2012: Proceedings of the 2nd ACM Workshop on
+                  Security and Privacy in Smartphones and Mobile
+                  Devices",
+  year =	 2012,
+  address =	 "Raleigh, NC, USA",
+  month =	 oct,
+}
+
 @Proceedings{SSBSE2015,
   title =	 "SSBSE 2015: Proceedings of the 7th International
                   Symposium on Search-Based Software Engineering",
@@ -8120,6 +8132,14 @@
   month =	 aug,
 }
 
+@Proceedings{USENIXHotSec2012,
+  title =	 "USENIX HotSec 2012: Proceedings of the 7th USENIX Workshop on Hot Topics in Security",
+  booktitle =	 "USENIX HotSec 2012: Proceedings of the 7th USENIX Workshop on Hot Topics in Security",
+  year =	 2012,
+  address =	 "Bellevue, WA, USA",
+  month =	 aug,
+}
+
 @Proceedings{USENIXSec2013,
   title =	 "USENIX Security: 22nd USENIX Security Symposium",
   booktitle =	 "USENIX Security: 22nd USENIX Security Symposium",