por Alvarez Gardiol, Emir [aut] | 6-10 [ths] | mar-mayo 2000 [ths].
por Magee, David J [aut] | 19-26 [ths] | mar-mayo 2000 [ths].
por Trinca, Saul E [aut] | 32-34 [ths] | mar-mayo 2000 [ths].