1. Quillen model structures for relative homological algebra;Christensen;Math. Proc. Cambridge Philos. Soc.,2002
2. Many homotopy categories are homotopy categories;Cole;Topology Appl.,2006
3. M. Cole, The homotopy category of chain complexes is a homotopy category, Preprint
4. Homotopy theories and model categories;Dwyer,1995
5. Rings, Modules, and Algebras in Stable Homotopy Theory;Elmendorf,1997