1. Cohomologie Non-Abélienne;Giraud,1971
2. Loop Spaces, Characteristic Classes and Geometric Quantization;Brylinski,1993
3. Lectures on special Lagrangian submanifolds;Hitchin,2001
4. Tannakian Categories;Deligne,1981
5. On the classification of 2-gerbes and 2-stacks;Breen;Astérisque,1994