Кравченко, Я., Краковський, В., Вовк, О. and Шевчук, Н. 2009. Ecological problems of technosphere and ways to overcome them. Proceedings of National Aviation University. 38, 1 (Jan. 2009), 74–77. DOI:https://doi.org/10.18372/2306-1472.38.1666.