Dzięgielewska, M., Adamska, I., Mikiciuk, M., Nowak, G. and Ptak, P. (2017) “Effects of biotic and abiotic factors on the health of horse chestnut trees in an urban area of north-western Poland”, Ecological Questions, 27, pp. 25–38. doi: 10.12775/EQ.2017.025.