Mean Driven Balance and Uniformly Best Linear Unbiased Estimators
Roman Zmyslony, João Mexia, Francisco Carvalho, Inês J. Sequeira
Statistical Papers, vol. 57, 2016, p. 43-53.

L Models and Multiple Regressions Designs
Elsa Moreira, João Mexia, Miguel Santos Fonseca, Roman Zmyslony
Statistical Journal, vol. 50, 2009, p. 869-885.