Breese, E. (1989). Regeneration and multiplication of germplasm resources in seed genebanks: The scientific background. International Board for Plant Genetic Resources.
Dyfyniad Arddull ChicagoBreese, E.L. Regeneration and Multiplication of Germplasm Resources in Seed Genebanks: The Scientific Background. Rome: International Board for Plant Genetic Resources, 1989.
Dyfyniad MLABreese, E.L. Regeneration and Multiplication of Germplasm Resources in Seed Genebanks: The Scientific Background. International Board for Plant Genetic Resources, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.