@article{RRACEFN_1980_1980_1_a36,
     author = {Bernardo, Jos\'e-Miguel},
     title = {El concepto de la aproximaci\'on en la metodolog{\'\i}a estad{\'\i}stica.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {307-309},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1980},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1980_1980_1_a36/}
}