@misc{Sawa_Anna_Effect,
 author={Sawa, Anna and Bogucki, Mariusz and Siatka, Kamil},
 howpublished={online},
 publisher={Research Institute for the Biology of Farm Animals (FBN)},
 language={eng},
 type={artykuł},
 title={Effect of the first and next calvings of cows and their milk production level on the relationship between dry period length and milk yield and its composition in the subsequent lactation},
 keywords={cows, dry period, milkiness, multiparous, primiparous},
}