S. Rutkovska, I. Pučkina, and O. Frolova, “INVENTORY OF THE MOST INVASIVE ALIEN PLANT SPECIES OF LATVIA IN THE ‘DAUGAVAS LOKI’ NATURE PARK”, ETR, vol. 1, pp. 246–252, Jun. 2017, doi: 10.17770/etr2017vol1.2585.