M. Šoštarić, B. Petrinec, and D. Babić, “137Cs in Soil and Fallout around Zagreb, Croatia at the Time of the Fukushima Accident”, Arh Hig Rada Toksikol, vol. 64, no. 4, Dec. 2013, doi: 10.2478/10004-1254-64-2013-2411.