TY - BOOK A1 - Gilbert, P. T1 - Depression. The Evolution of Powerlessness. Hillsdale, NJ (Erlbaum) 1992. Y1 - 1992 N1 - Ex libris Marco Bacciagaluppi ER - TY - BOOK A1 - Gilbert, P. T1 - Human Nature and Suffering. Hillsdale, NJ (Erlbaum) 1989. Y1 - 1989 N1 - Ex libris Marco Bacciagaluppi ER -