BILA, A. (2000): Fertility variation and its effects on gene diversity in forest tree populations. Ph.D Thesis. Swedish University of Agricultural Science, Umeå, Sweden. Acta Universitatis Agriculturae Sueciae, Silvestria 166. 31pp.
BURCZYK, J. and W. CHALUPKA (1997): Flowering and cone production variability and its effect on parental balance in a Scots pine clonal seed orchard. Ann. Sci. For. 54: 129-144.10.1051/forest:19970201
CHOI, W. Y., K. S. KANG, S. U. HAN and S. D. HUR (2004): Estimation of heritabilities and clonal contribution based on the flowering assessment in two clone banks of Pinus koraiensis S. et Z. Proc. of IUFRO 2.02.15 (Breeding and genetic resources of five-needle pines). July 24-27, 2001, Medford, Oregon, USA. USDA Forest Service Proceeding RMRS-P-32. 2004. p.172-177.
EL-KASSABY, Y. A. (2000): Effect of forest tree domestication on gene pools. In: Forest Conservation Genetics: Principles and Practice. Commonwealth Scientific and Industrial Research Organisation (CSIRO) (YOUNG, A., D. BOSHIER and T. BOYLE, eds.). CSIRO Publishing-CABI Publishing, Canberra, Australia. Chapter 13: 197-213.
EL-KASSABY, Y. A. and G. R. ASKEW (1991): The relation between reproductive phenology and reproductive output in determining the potential gametic pool profile in a Douglas-fir seed orchard. For. Sci. 37: 827-835.
EL-KASSABY, Y. A., A. M. K. FASHLER and M. CROWN (1989): Variation in fruitfulness in a Douglas-fir seed orchard and its effect on crop-management decisions. Silvae Genet. 38: 113-121.
GÖMÖRY, D., R. BRUCHANIK and R. LONGAUER (2003): Fertility variation and flowering asynchrony on Pinus sylvestris: consequences for the genetic structure of progeny in seed orchards. For. Ecol Manage. 174: 117-126.10.1016/S0378-1127(02)00031-2
KANAZASHI, T. and M. SAITO (1989): Estimation of heritabilities of cone and seed traits in Pinus densiflora Sieb. et Zucc. by parent-offspring regression. Bulletin of the Forestry and Forest Products Research Institute, Ibaraki (No. 355): 117-131.
KANG, K. S. and Y. A. EL-KASSABY (2002): Considerations of correlated fertility between genders on genetic diversity: Pinus densiflora seed orchard as a model. Theor. Appl. Genet. 105: 1183-1189.
KANG, K. S. and D. LINDGREN (1999): Fertility variation among clones of Korean pine (Pinus koraiensis) and its implications on seed orchard management. For. Genet. 6: 191-200.
KANG, K. S., A. D. BILA, A. M. HARJU and D. LINDGREN (2003): Fertility variation in forest tree populations. Forestry 76: 329-344.10.1093/forestry/76.3.329
MORIGUCHI, Y., H. TAIRA, N. TANI and Y. TSUMURA (2004): Variation of paternal contribution in a seed orchard of Cryptomeria japonica determined using microsatellite markers. Can. J. For. Res. 34: 1683-1690.
MÜLLER-STARK, G. (1982): Sexually asymmetric fertility selection and partly self-fertilization. 2. Clonal gametic contributions to offspring of Scots pine seed orchard. Silva Fenn. 16: 99-106.
NAMBA, H., K. SAITOU, N. SAHASHI, M. YAMAMOTO, T. YOSHIDA, H. OGASAWARA, M. FUJIMOTO and N. ASADA (2001): Relationship between pollen counts of Cryptomeria japonica and Cupressaceae and the severity of allergic symptoms. Allergology International 50: 133-142.10.1046/j.1440-1592.2001.00216.x
NIKKANEN, T. and S. RUOSALAINEN (2000): Variation in flowering abundance and its impact on the genetic diversity of grafts of Pinus sylvestris. For. Ecol. Manage. 19: 35-40.
TAIRA, H., Y. TSUMURA, Y. TOMARU and K. OHBA (1997): Regeneration system and genetic diversity of Cryptomeria japonica growing at different altitudes. Can. J. For. Res. 27: 447-452.
XIE, C. Y. and P. KNOWLES (1994): Mating system and effective pollen immigration in a Norway spruce (Picea abies (L.) Karst) plantation. Silvae Genet. 43: 48-52.
YAMASHITA, T., N. KASUYA, S. NISHIMURA and H. TAKEDA (2004): Comparison of two coniferous plantations in central Japan with respect to forest productivity, growth phenology and soil nitrogen dynamics. For. Ecol. Manage. 200: 215-226.10.1016/j.foreco.2004.06.022