| 000 | 006100000a22001810004500 | ||
|---|---|---|---|
| 090 |
_aAR _b03575 |
||
| 245 | 1 | 0 | _aCritique of contingent valuation and travel cost methods for valuing natural resources and ecosystems |
| 500 | _aColección uso y valoración | ||
| 650 | 1 | 4 |
_aEconomía ambiental _992824 |
| 650 | 1 | 4 |
_aValoración contingente _997232 |
| 650 | 1 | 4 |
_aCosto de viaje _997233 |
| 650 | 1 | 4 |
_aTeoría económica _959092 |
| 041 | 0 | _aInglés | |
| 700 | 1 |
_aHayden, F. Gregory _997234 |
|
| 100 | 1 |
_aEberle, W. David _997235 |
|
| 942 | _cARTICULO | ||
| 773 | 1 |
_tJournal of Economic Issues _h3 _q649-687 _d1991 _g25 |
|
| 999 |
_c12625 _d12625 |
||