R.M. Dekker and J.A. Vega), 10, 3, pp. 333–351 Vega, J.A. (1989b) "Luxury, necessity, or the morality of men.
R.M. Dekker and J.A. Vega), 10, 3, pp. 333-351 (englisch) Vega, J.A. (1989b): "Luxury, necessity, or the morality of men.