Petróczki, F.M., Béri, B. és Peles, F. 2021. The effect of lactation number and lactation stage on milk yield, on the composition and on the microbiological properties of raw cow milk in a Hungarian dairy farm. Élelmiszervizsgálati Közlemények. 67, 2 (jún. 2021), 3431–3440. DOI:https://doi.org/10.52091/EVIK-2021/2-3-ENG.