TY - CONF TI - Economic valuation of environmental resourcesQ ned for ethical considerations AU - Tsibris, Evangeline PY - 1999 SP - 207-212 PB - Διεθνές Κέντρον Ελληνικής Φιλοσοφίας και Πολιτισμού T2 - Philosophy and ecology: Greek philosophy and the environment (τ. 2) ER -