共 7 条
[1]
CRANK J, 1956, MATH DIFFUSION, P47
[2]
EFFECTIVE DIFFUSION-COEFFICIENT OF RADON IN CONCRETE THEORY AND METHOD FOR FIELD MEASUREMENTS
[J].
HEALTH PHYSICS,
1976, 30 (03)
:263-270
[3]
INGERSOLL JG, 1983, HEALTH PHYS, V45, P550
[4]
A SURVEY OF RADIONUCLIDE CONTENTS AND RADON EMANATION RATES IN BUILDING-MATERIALS USED IN THE UNITED-STATES
[J].
HEALTH PHYSICS,
1983, 45 (02)
:363-368
[5]
ISRAEL H., 1962, Annales de Geographie, V15, P115
[6]
JONASSEN N, 1978, NATURAL RAD ENV 3, V2, P1211
[7]
KRISIUK EM, STUDY RADIOACTIVITY