@article{DMPS_2011_31_1-2_a6,
     author = {Valente, V{\'\i}tor and Oliveira, Teresa},
     title = {Application of {HLM} to data with multilevel structure},
     journal = {Discussiones Mathematicae. Probability and Statistics},
     pages = {87--101},
     publisher = {mathdoc},
     volume = {31},
     number = {1-2},
     year = {2011},
     zbl = {1260.62057},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMPS_2011_31_1-2_a6/}
}