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text/bib.bib

@@ -448,3 +448,27 @@
   number={1},
   year={2015}
 }
+@article{maloney2005multilevel,
+  title={A multilevel analysis of sociability, usability, and community dynamics in an online health community},
+  author={Maloney-Krichmar, Diane and Preece, Jenny},
+  journal={ACM Transactions on Computer-Human Interaction (TOCHI)},
+  volume={12},
+  number={2},
+  pages={201--232},
+  year={2005},
+  publisher={ACM New York, NY, USA}
+}
+@inproceedings{tedjamulia2005motivating,
+  title={Motivating content contributions to online communities: Toward a more comprehensive theory},
+  author={Tedjamulia, Steven JJ and Dean, Douglas L and Olsen, David R and Albrecht, Conan C},
+  booktitle={Proceedings of the 38th annual Hawaii international conference on system sciences},
+  pages={193b--193b},
+  year={2005},
+  organization={IEEE}
+}
+@book{lawler2000rewarding,
+  title={Rewarding excellence: Pay strategies for the new economy.},
+  author={Lawler III, Edward E},
+  year={2000},
+  publisher={Jossey-Bass}
+}