| Tekijä: | Halvorsen, R. Smith, T. R. |
| Otsikko: | Substitution possibilities for unpriced natural resources: Restricted cost functions for the Canadian metal mining industry. |
| Lehti: | Review of Economics and Statistics
1986 : AUG, VOL. 68:3, p. 398-405 |
| Asiasana: | MINING INDUSTRY NATURAL RESOURCES PRICES COSTS |
| Kieli: | eng |
| Tiivistelmä: |
SCIMA