TY - BOOK AU - Halvorsen,Robert AU - Layton,David F. TI - EXPLORATIONS IN ENVIRONMENTAL AND NATURAL RESOURCE ECONOMICS SN - 1845421841 U1 - 333.7 PY - 2006/// CY - PB - Edward Elger, Cheltenham KW - Environmental Economics KW - Economic Development -- Environmental Aspects KW - Natural Resources -- Management ER -