TY - GEN AU - Genkov,D AU - Atmadzov,P TI - Radioactivity of some building materials SN - 0204-8043 PY - 1967///1014 KW - Air Pollution, Radioactive KW - Architecture KW - Bulgaria KW - Dust KW - Environmental Exposure KW - Humans KW - Radioactivity N1 - Publication Type: Journal Article ER -