M. H. Banister and M. H. Vine, An early progeny trial in Pinus radiata 4. Wood density, N, Z. J. For. Sci, vol.11, pp.221-243, 1981.

W. A. Becker, Manual of procedures in quantitative genetics, vol.130, 1967.

R. D. Burdon and C. B. Low, Genetic survey of Pinus radiata. 6: Wood properties: variation, heritabilities, and interrelationships with other traits, N. Z. J. For. Sci, vol.22, pp.228-245, 1992.

R. D. Burdon and G. D. Young, Preliminary genetic parameter estimates for wood properties from top-ranked Pinus radiata progenies and comparisons with controls, Proc. 11th Meet, pp.137-140, 1991.

R. E. Comstock and R. H. Moll, Genotype-environment interactions, Statistical genetics and plant breeding, pp.169-194, 1963.

D. J. Cown and R. D. Ball, Wood densitometry of 10 Pinus radiata families at seven contrasting sites: influence of tree age, site, and genotype, N. Z. J. For. Sci, vol.31, pp.88-100, 2001.

D. J. Cown and M. L. Parker, Densitometric analysis of wood from five Douglas-fir provenances, Silvae Genet, vol.28, pp.48-53, 1979.

D. J. Cown, M. L. Parker, and M. O. Kimberly, Spiral grain patterns in plantation-grown Pinus radiata, N. Z. J. For. Sci, vol.21, pp.206-216, 1991.

P. Dutilleul, M. Herman, and T. Avella-shaw, Growth rate effects on correlations among ring width, wood density, and mean tracheid length in Norway spruce (Picea abies), Can. J. For. Res, vol.28, pp.56-68, 1998.

R. Guay, R. Gagnon, and H. Morin, A new automatic and interactive tree ring measurement system based on a line scan camera, The Forestry Chronicle, vol.68, pp.138-141, 1992.

B. Hannrup, L. Wilhelmsson, and O. Danell, Time trends for genetic parameters of wood density and growth traits in Pinus sylvestris L, Silvae Genet, vol.47, pp.214-219, 1998.

G. R. Hodge and R. C. Purnell, Genetic parameter estimates for wood density, transition age, and radial growth in slash pine, Can. J. For. Res, vol.23, pp.1881-1891, 1993.

G. R. Hodge and T. L. White, Genetic parameter estimates for growth traits at different ages in slash pine and some implications for breeding, Silvae Genet, vol.41, pp.252-262, 1992.

L. A. Jozsa and H. Brix, The effect of fertilization and thinning on wood quality of a 24-year-old Douglas-fir stand, Can. J. For. Res, vol.19, pp.1137-1145, 1989.

J. N. King, F. C. Yeh, J. Heaman, . Ch, and B. P. Dancik, Selection of wood density and diameter in controlled crosses of coastal Douglas-fir, Silvae Genet, vol.37, pp.152-157, 1988.

R. C. Littel, G. A. Milliken, W. W. Stroup, and R. D. Wolfinger, SAS ? System for Mixed Models, vol.633, p.p

M. Lynch and B. Walsh, Genetics and analysis of quantitative traits, vol.980

R. A. Megraw, Wood quality factors in loblolly pine, vol.89

G. Namkoong, Introduction to quantitative genetics in forestry, USDA, Tech. Bull, vol.342, 1588.

J. W. Nicholls, H. E. Dadswell, and D. H. Perry, Assessment of wood qualities for tree breeding. II, Pinus pinaster ait. from western Australia, vol.12, pp.105-110, 1963.

J. W. Nicholls, Preliminary observations on the change with age of the heritability of certain wood characteristics in Pinus radiata clones, Silvae Genet, vol.16, pp.18-20, 1965.

J. W. Nicholls, Assesment of wood quality for tree breeding. IV. Pinus pinaster grown in western Australia, Silvae Genet, vol.16, pp.21-28, 1967.

J. W. Nicholls, Within-tree variation in wood characteristics of Pinus radiata D. Don, Aust. For. Res, vol.16, pp.313-335, 1986.

J. W. Nicholls, J. D. Morris, and L. A. Pederick, Heritability estimates of density characteristics in juvenile radiata wood, Silvae Genet, vol.29, pp.54-61, 1980.

J. O. Rawlings, S. G. Pantula, and D. A. Dickey, Applied regression analysis. A research tool, vol.657

B. G. Ridout, . T. Sorensson-ch, and M. J. Lausberg, Wood properties of twenty highly ranked radiata pine seed production parents selected for growth and form, Wood Fiber Sci, vol.32, pp.126-137, 1998.

R. Ph and C. Ch, Spruce and wood quality: genetic aspects (a review), Silvae Genet, vol.46, pp.270-279, 1997.

R. Ph, T. L. Wang, S. N. Aitken, C. Bastien, and C. Cahalan, Evaluating wood density components from pith to bark: a genetic comparison of indexing annual rings using cambial age versus physical year

. Sas-institute-inc and . Sas/stat-?-software, Changes and Enhancements through Release 6.12, Cary, vol.1167, p.p

S. R. Searle, G. Casella, and C. E. Mcculloch, Variance components, vol.501, 1992.

J. P. Van-buijtenen, D. W. Einspahr, and J. R. Peckham, Micropulping loblolly pine grafts selected for extreme wood specific gravity, Silvae Genet, vol.17, pp.15-19, 1968.

J. Vargas-hernandez, T. Adams, and R. L. Krahmer, Family variation in age trends of wood density traits in young coastal douglas-fir, Wood Fiber Sci, vol.26, pp.229-236, 1994.

P. W. West, Use of diameter increment and basal area increment in tree growth studies, Can. J. For. Res, vol.10, pp.71-77, 1980.

T. L. White and G. R. Hodge, Predicting breeding values with applications in forest tree improvement, vol.367, 1989.

B. J. Zobel and J. P. Van-buijtenen, Wood Variation, it's causes and control, vol.560, 1989.

B. J. Zobel and J. B. Jett, Genetic of wood formation, vol.337, 1995.

B. J. Zobel and J. R. Sprague, Juvenile wood in forest trees, vol.300, 1998.

B. J. Zobel and R. C. Kellison, The rate of growth syndrome, Silvae Genet, vol.27, pp.123-124, 1978.