1. Abella, I., Cardellino R.C., Mueller, J., Cardellino R.A., Benítez, D., Lira, R., 2010. South American Sheep and Wool Industries, in: Cottle, D.J. (Eds.), International Sheep and Wool Handbook, United Kingdom, pp. 85- 94.
2. ¿Qué tan blanca es la lana uruguaya?;Abella;Lana Noticias,2008
3. AWI and MLA, 2013. Visual sheep scores-Researcher Version. Sydney, Australia: AWI Ltd & MLA Ltd. https://www.wool.com/globalassets/wool/market-intelligence/woolcheque/characteristics/visual_sheep_scores_researcher_version_lr.pdf.
4. Quantitative genetic studies on wool yellowing in Corriedale sheep. II. Clean wool colour and wool production traits: genetic parameter estimates and economic returns;Benavides;Aust. J. Agric. Res.,2000
5. The heritability of loose wool bulk and colour traits and their genetic and phenotypic correlations with other wool traits;Bigham;Proc. N. Z. Soc. Anim. Prod.,1983