@article{PNA_2007_2007_1_a5,
     author = {G\'omez, Pedro and  Lupi\'a\~nez, Jos\'e Luis},
     title = {Trayectorias {Hipot\'eticas} de {Aprendizaje} en la {Formaci\'on} {Inicial} de {Profesores} de {Matem\'aticas} de {Secundaria.}},
     journal = {PNA},
     pages = {79-98},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2007},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/PNA_2007_2007_1_a5/}
}