Authors
Piotr Herbut
Department of Rural Building, University of Agriculture, Al. Mickiewicza 24-28, 30-059, Kraków, Poland
Sabina Angrecka
Department of Rural Building, University of Agriculture, Al. Mickiewicza 24-28, 30-059, Kraków, Poland
© 2018 Piotr Herbut, Sabina Angrecka, published by National Research Institute of Animal Production
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.