Mierzejewski, M. i Lampart, M. (2018) „Analysis of Business Cycles in the Breeding of Pigs, Cattle and Poultry and their Relationship to the Causality of Wheat and Rye Cultivation in Poland”, Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, 18(2), s. 218–227. doi: 10.22630/PRS.2018.18.2.49.