@article{Makarov2019valery, author={Makarov, V.V. and Sochnev, V.V.}, title={Valery Petrovich Urban ― veterinarian, scientist, teacher (on the centenary of birth)}, journal={Russian veterinary journal}, publisher={Publishing house "Logos Press"}, year={2019}, pages={48-51}, volume={2019}, issue={2}, }