27df2ed26a63fc3992a01cd62b429b3172854ad6  joubioscrS_a2010v15n4p453.pdf
cb95747c6abb73d686a7e0b7f3374cde11cbc235  joubioscrT_a2010v15n4p453.pdf
636d4089bb8bf9793a51d501248ee9bc3e261a1c  joubioscr_a2010v15n4p453.pdf