@article{MSC_1997_1997_1_a9,
     author = {Wierzchon, Slawomir T.},
     title = {Sistemas basados en la valoraci\'on, para control de etapas m\'ultiples.},
     journal = {Mathware & soft computing},
     pages = {181-194},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_1997_1997_1_a9/}
}