共 50 条
- [21] The prospects of cost reductions in willow production in Sweden BIOMASS & BIOENERGY, 2013, 48 : 139 - 147
- [23] Cost reductions and efficiency improvements for UK amphibious fleet NAVAL ARCHITECT, 2006, : 13 - 15
- [28] Researches on estimating the hazelnut production cost FOURTH INTERNATIONAL SYMPOSIUM ON HAZELNUT, 1997, (445): : 369 - 374
- [29] MARGINAL COST ESTIMATES OF WATER RESOURCES OF USSR SOVIET GEOGRAPHY REVIEW AND TRANSLATION, 1974, 15 (06): : 333 - 341