1. Asparouhov, T. & Muthén, B. (2006). Robust chi square difference testing with mean and variance adjusted test statistics (Mplus Web Notes No. 10). Retrieved from http://www.statmodel.com/download/webnotes/webnote10.pdf
2. Asparouhov, T. & Muthén, B. (2010). Simple second order chi-square correction (Technical appendix). Retrieved from https://www.statmodel.com/download/WLSMV_new_chi21.pdf
3. Asparouhov, T. & Muthén, B. (2013). Computing the strictly positive Satorra-Bentler chi-square test in Mplus (Mplus Web Notes No. 12). Retrieved from https://www.statmodel.com/examples/webnotes/SB5.pdf
4. Testing model nesting and equivalence.