Ferreira, Sandra S.Ferreira, DárioMexia, João T.2020-02-072020-02-072007http://hdl.handle.net/10400.6/9131Commutative Jordan Algebras were used to cary out inference for mixed models with balanced cross nesting in wich the variance componentes for interactions between sets of fixed effects and random effects are null.engCross additivityBalanced cross nestingCommutative Jordan Algebrajournal article10.1080/15598608.2007.10411847