| 000 | 004010000a22001570004500 | ||
|---|---|---|---|
| 008 | 140223b1978 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 | _aXOMY L8 | ||
| 082 | _aXOMY L8 | ||
| 100 | _aClawson Marion | ||
| 700 | _aKnetsch Jack L | ||
| 245 | _aEconomics of outdoor recreation | ||
| 260 |
_aBaltimore _bJ Hopkins _c1978 |
||
| 440 | _aResources for the future | ||
| 650 | _aEconometrics | ||
| 999 |
_c55925 _d55925 |
||