1. Étale Homotopy;Artin,1969
2. Faisceaux pervers;Beilinson,1982
3. Koszul duality patterns in representation theory;Beilinson;J. Am. Math. Soc.,1996
4. Homotopy Limits, Completions and Localizations;Bousfield,1972
5. Equivariant Sheaves and Functors;Bernstein,1994