External Hazard Index (Hex).

 
 
  Part of: Hristozova M, Lazarova R (2022) Radiation status of soils from the region of the Eastern Rhodopes (Southern Bulgaria). In: Chankova S, Peneva V, Metcheva R, Beltcheva M, Vassilev K, Radeva G, Danova K (Eds) Current trends of ecology. BioRisk 17: 45-57. https://doi.org/10.3897/biorisk.17.77432