1. A Bartlett adjustment to the likelihood ratio test for a system of equations;Attfield;Journal of Econometrics,1995
2. A note on the calculation of Bartlett adjustments;Barndorf-Nielsen;Journal of the Royal Statistical Society, Series B,1986
3. Properties of sufficiency and statistical tests;Bartlett;Proceedings of the Royal Society, Series A,1937
4. An almost ideal demand system;Deaton;American Economic Review,1980
5. GAUSS386i, 1992. The GAUSS System, Version 3. Aptech Systems Inc., 23840 S.E. Kent-Kangley Road, Maple Valley, Washington 98038.