@misc{Hukowska-Szematowicz_B._Natural,
 author={Hukowska-Szematowicz, B. and B. Tokarz-Deptuła and P. Niedźwiedzka-Rystwej and M. Adamiak and Trzeciak-Ryczek, A. and W. Deptuła},
 publisher={Polish Academy of Sciences Committee of Veterinary Sciences},
 publisher={University of Warmia and Mazury in Olsztyn},
 title={Natural immunity factors in Polish mixed breed rabbits},
}