AnónimoAutores, VáriosCampanario, SebastiánCapanna, PabloCastellanos, NazarethCIARLOTTI, FABIAN J. & CESARINCsikszentmihalyi, MihalyDaniel CalmelsDaynes, KatieDepino, AmaichaEngels, FriedrichFrattini, EricGoldsmith, MikeGrof, StanislavLuis ChiozzaMax WeberNieto, CarlaNo AplicaParker, StevePlanetaSagan, CarlSmil, VaclavSmullyan, RaymondSmullyan, Raymond M.Strathern, PaulVariosVarios autoresVinck, DominiqueWhite, Michael