TY - BOOK AU - Krutilla,John V. AU - Fisher,Anthony C. TI - The economics of natural environments: studies in the valuation of commodity and amenity resources SN - 0801817528 PY - 1975/// CY - London PB - Johns Hopkins University Press KW - BI-BuBU KW - Environnement KW - Economie KW - Book N1 - Index ER -