@article{QUE_1993_1993_1_a9,
     author = {Mota Herranz, Laura and Celma Gim\'enez, Matilde},
     title = {M\'etodos para la comprobaci\'on de la integridad en bases de datos deductivas.},
     journal = {Q\"uestii\'o},
     pages = {75-101},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1993},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/QUE_1993_1993_1_a9/}
}