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*<cite id=WHO>World Health Organization. [http://www.who.int/entity/household_water/resources/emergencies.pdf Household Water Treatment and Safe Storage Following Emergencies and Disasters: South Asia Earthquake and Tsunami]. Available at: [www.who.int/household_water/en/]</cite>
*''[http://www.bestessays.ca/custom_research_paper.php Research paper] about Boiling.''
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