@inproceedings{1006579,
    title = "Economic valuation of environmental resourcesQ ned for ethical considerations",
    author = "Tsibris, Evangeline",
    year = "1999",
    pages = "207-212",
    publisher = "Διεθνές Κέντρον Ελληνικής Φιλοσοφίας και Πολιτισμού",
    booktitle = "Philosophy and ecology: Greek philosophy and the environment (τ. 2)"
}