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2. A model for assessing hardwood competition effects on yields of loblolly pine plantations;Burkhart,1984
3. Factors to be considered in refining a general model of economic threshold;Chang;Entomophaga,1982
4. The nature of timber production function: Eucalyptus grandis W. Hill ex Maiden in Brazil;Couto,1982
5. A nutrient-related-time-dependent timber production function for Eucalyptus grandis W. Hill ex Maiden in South-eastern Brazil;Couto;Aust. For. Res.,1984