Avilez Ruiz, J. P., von Fabeck, G., García-Gómez, F., Alonzo, M. and Delgado Pertíñez, M. (2012) “Conjugated linoleic acid content in milk of Chilean Black Friesian cows under pasture conditions and supplemented with canola seed (Brassica napus) concentrate”, Spanish Journal of Agricultural Research, 11(3), pp. 747-758. doi: 10.5424/sjar/2013113-3639.