Straolingshotspots óntdèk door Japanse börgergroepe/Brónne

• Hiroko Tabuchi. "Citizens’ Testing Finds 20 Hot Spots Around Tokyo" — The New York Times, October 14, 2011
• Juro Osawa. "Concentrated Radiation Hot Spots Discovered In Tokyo, Yokohama" — The Wall Street Journal, October 12, 2011
• "Radium, not Fukushima, Source of Western Tokyo Radiation Spike" — Bloomberg Businessweek, October 14, 2011
• Justin McCurry. "Radiation in Tokyo not linked to Fukushima" — The Guardian, October 13, 2011