1. Human Health Fact Sheet Polonium, Argonne National Laboratory.
https://web.archive.org/web/20070703021010
,
http://www.ead.anl.gov/pub/doc/polonium.pdf
. Accessed 26 April 2017
2. Karraker DG (1950) US Patent No. 2394817
3. Henry PSH (1963) Radioactive static eliminators—the present position. Text Inst Ind 1:23
4. National Nuclear Data Center “NNDC” (2013) Brookhaven National Laboratory, (online)
http://www.nndc.bnl.gov/
. Accessed 4 April 2017
5. Schulz WW, Schiefelbein GF, Bruns LE (1968) US Patent No. 3463739