Measured radon levels in U.S. homes, in Harley, N.H., ed., Radon - Proceedings of the twenty-fourth annual meeting, 30-31 March, 1988

Cohen, B.L., 1989, Measured radon levels in U.S. homes, in Harley, N.H., ed., Radon - Proceedings of the twenty-fourth annual meeting, 30-31 March, 1988: Bethesda, Md., National Council on Radiation Protection and Measurements, p. 170-181.