AUTORBert HellingerCalamandrei, PieroDalai LamaDilts, RobertEnric CorberaEstulin, DanielFuentes, CarlosGarth EnnisHellinger, BertInstituto CervantesKing, StephenKotkin, StephenLe Cossec, AlainLeibniz, Gottfried WilhelmMirtalipova, DinaraPack, SusanPaniniPmiRendón Ortiz, GilbertoStephen KingVarios autoresVV. AA.