@article{PNA_2007_2007_1_a4,
     author = {Castro, Encarnaci\'on and  Ca\~nadas, Mar{\'\i}a C.},
     title = {A {Proposal} of {Categorisation} for {Analysing} {Inductive} {Reasoning.}},
     journal = {PNA},
     pages = {67-78},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PNA_2007_2007_1_a4/}
}