TY  - GEN
AU  - Bigu,J
TI  - Radon-220 progeny measurements
SN  - 0017-9078
PY  - 1991///0301
KW  - Bismuth
KW  - analysis
KW  - Canada
KW  - Lead
KW  - Mining
KW  - Polonium
KW  - Radon
KW  - Radon Daughters
KW  - Uranium
N1  - Publication Type: Comment; Letter
ER  -