https://www.epa.gov/radiation/protecting-yourself-radiation#tab-2

http://www.icanw.org/the-facts/nuclear-arsenals/

http://www.businessinsider.com/nuke-blast-survival-gear-2017-7

http://www.sciencemag.org/news/2014/01/how-survive-nuclear-explosion

https://nepis.epa.gov/Exe/ZyNET.exe/P100C9X6.TXT?ZyActionD=ZyDocument&Client=EPA&Index=2006+Thru+2010&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5CIndex%20Data%5C06thru10%5CTxt%5C00000030%5CP100C9X6.txt&User=ANONYMOUS&Password=anonymous&SortMethod=h%7C-&MaximumDocuments=1&FuzzyDegree=0&ImageQuality=r75g8/r75g8/x150y150g16/i425&Display=hpfr&DefSeekPage=x&SearchBack=ZyActionL&Back=ZyActionS&BackDesc=Results%20page&MaximumPages=1&ZyEntry=1&SeekPage=x&ZyPURL)

https://www.ready.gov/nuclear-blast