//-->
A spatial Cliff-ord-type model with heteroskedastic innovations: small and large sample results
Arraiz, Irani, (2008)
Bootstrapping a conditional moments test for normality after tobit estimation
Drukker, David M., (2002)
Estimating the parameters of simultaneous-equations models with the sem command in Stata 12
Drukker, David M., (2011)