TY - BOOK ID - 135931875 TI - The contingent valuation of natural parks : assessing the warmglow propensity factor PY - 2002 SN - 1840649453 PB - Cheltenham Elgar DB - UniCat KW - Contingent valuation KW - Parks KW - Economic aspects UR - https://www.unicat.be/uniCat?func=search&query=sysid:135931875 AB - ER -