D. I. . STEGARUS, R. E. IONETE, S. . OANCEA, E. . LENGYEL, and A. . FRUM, “THE IMPACT OF ANTHROPOGENIC ACTIVITIES TO THE LEVEL OF SOME POPS RESIDUES IN BOVINE MILK FROM SEVERAL FARMS IN ROMANIA”, Studia UBB Chemia, vol. 65, no. 4, pp. 159–176, Dec. 2020.