I normally refer to the UNSCEAR series of documents for up-to-date
references. They are readily available and cover the world's
scientific literature.
John R Johnson, PhD
Scientist Emeritus, HPD/PNNL
President and CEO, IDIAS
2629 Harris
Richland, WA, 99352
e:mail; jr_johnson@pnl.gov
Phone: (509) 375-6850 (PNNL)
Phone: (509) 375-3005 (IDIAS)
FAX: (509) 375-2019 (PNNL)