VARGOVÁ, Mária et al. Parameters of energy status in dairy cows in the period around parturition. In Middle European Buiatric Congress, ECBHM, Slovenian Buiatric Association. Proceedings of the XV. Middle European Buiatric Congress and 10th ECBHM Symposium, June 10th-13th June 2015, Maribor, Slovenia. 1. vyd. - Maribor : Slovensko bujatrično družstvo, 2015, s. 115.