Zeleňáková, L. ., R. . Židek, M. . Čanigová, J. . Paulov, and T. . Gallisová. “Evaluation of Elisa Method to Detection of Cow β-Lactoglobulin in Sheep Milk and Sheep Milk Products”. Potravinarstvo Slovak Journal of Food Sciences, vol. 4, no. 4, Nov. 2010, pp. 80-84, doi:10.5219/78.