TY - JOUR AU - G. A. Yakovlev AU - M. Ch. Zulu TI - Distortion of the radiation background of the urban environment due to the aggressive influence of the technosphere. stage 2: parks and recreation areas JO - Vestnik KRAUNC. Fiziko-matematičeskie nauki PY - 2020 SP - 231 EP - 238 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VKAM_2020_33_4_a19/ LA - ru ID - VKAM_2020_33_4_a19 ER -