Bulski, K., Ostafin, M., Czuszkiewicz, J., Kurek, T., Falkiewicz-Dulik, M., Suprovych, T., & Pustova Z., Z. (2016). The microbiological air quality in the st.Benedict church in Cracow. Podilian Bulletin: Agriculture, Engineering, Economics, (25), 9–13. Retrieved from http://pb.pdatu.edu.ua/article/view/114591