TY - GEN AU - Gomaa,M A TI - Comments on "Radon-222 and 222Rn progeny concentrations measured in an energy-efficient house equipped with a heat exchanger" SN - 0017-9078 PY - 1987///0304 KW - Air Pollutants KW - analysis KW - Air Pollutants, Radioactive KW - Housing KW - Radon N1 - Publication Type: Letter ER -