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![( - 05-CA-2757) @13 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010) Cory S. Sheffield York University](http://v3.boldsystems.org/pics/_w300/BEECC/2757%2B1263590330.jpg "( - 05-CA-2757) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010)")
![( - LRBBC1347) @13 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2009) L.R.Best York University](http://v3.boldsystems.org/pics/_w300/BCII/LRBBC1347%2B1293572904.jpg "( - LRBBC1347) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2009)")
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![( - 05-CA-2756) @12 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010) Cory S. Sheffield York University](http://v3.boldsystems.org/pics/_w300/BEECC/2756%2B1263590278.jpg "( - 05-CA-2756) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010)")
![( - CCDB-03761 E04) @12 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010) Cory S. Sheffield York University](http://v3.boldsystems.org/pics/_w300/BEECD/CCDB-03761_E4%2B1273593772.jpg "( - CCDB-03761 E04) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2010)")
