The relationship between the excitation type calves and the concentration of IGF-I levels / Juraj Petrák, Ondrej Debrecéni .
In: The role of animal production in rural development in the region of Central and Eastern Europe / The role of animal production in rural development in the region of Central and Eastern Europe [84 s.]. -- Nitra : Slovenská poľnohospodárska univerzita, 2013. -- ISBN 978-80-552-1102-2 (brož.). -- S. 37-38
Kategória EPCA do 2021: AFH .