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- [3] INDOOR RN-222 CONCENTRATIONS OVER PHOSPHATE DEPOSITS IN NORTH-CAROLINA HEALTH PHYSICS, 1990, 58 (03): : 373 - 376
- [4] ANALYSIS OF RN-222 CONCENTRATION IN NORTH-CAROLINA HOUSEHOLD WATER-SUPPLIES DERIVED FROM PRIVATE WELLS HEALTH PHYSICS, 1993, 65 (02): : 156 - 160
- [5] GROUNDWATER CONCENTRATIONS OF RA-226 AND RN-222 IN NORTH-CAROLINA PHOSPHATE LANDS HEALTH PHYSICS, 1987, 52 (03): : 361 - 365
- [6] INDOOR RN-222 LEVELS IN NEW-YORK-STATE, NORTH-CAROLINA, AND SOUTH-CAROLINA HEALTH PHYSICS, 1991, 61 (06): : 879 - 884
- [7] THE RELATIONSHIP BETWEEN WATER-SYSTEM SIZE AND RN-222 CONCENTRATION IN NORTH-CAROLINA PUBLIC WATER-SUPPLIES HEALTH PHYSICS, 1987, 52 (01): : 69 - 71
- [8] RN-222 CONCENTRATIONS IN HOMES BUILT ABOVE GRANITE FORMATIONS AND PHOSPHATE DEPOSITS IN NORTH-CAROLINA HEALTH PHYSICS, 1987, 52 : S2 - S2
- [9] RN-222 AND RN-222 PROGENY CONCENTRATION MEASUREMENTS - COMMENTS HEALTH PHYSICS, 1987, 52 (01): : 105 - 106
- [10] Study on Rn-222 concentration in the soil NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-GEOPHYSICS AND SPACE PHYSICS, 1999, 22 (3-4): : 457 - 462