On the degradation of metformin and carbamazepine residues in sewage sludge compost [Online resource]Haiba, Egge; Nei, Lembit; Herodes, Koit; Ivask, Mari; Lillenberg, Merike9th International Conference "Biosystems Engineering 2018": 9–11 May, 2018, Estonia, Tartu : book of abstracts2018 / p. 26 http://bse.emu.ee/wp-content/uploads/2018/10/ABS_2018_Book_VV.pdf