1. Amaro A , Reed D , Tomé MW and Themido I. 1998. Modeling dominant height growth: Eucalyptus plantations in Portugal. Forest Sci. 44: 37-46.
2. Avery TE and Bukhart HE. 1994. Forest measurements (4th ed.). McGraw-Hill Inc. NY, USA. pp.321-347.
3. Avery TE and Bukhart HE. 2002. Forest measurements (5th ed.). McGraw-Hill Inc. NY, USA. pp.321-347.
4. Clutter JL , Fortson JC , Pienaar V , Brister GH and Bailey RL. 1983. Timber management-A quantitative approach. John Wiley and Sons, NY, USA. pp.31-58.
5. Fabbio G , Frattegiani M and Manetti MC. 1994. Height estimation in stem analysis using second differences. Forest Sci. 40: 329-340.