@book{1086,
	title = {Tsunami early warning systems in the Indian Ocean and Southeast Asia},
	publisher = {United Nations},
	year = {2009. },
	address = {New York},
	note = {"Sales no. E.09.11.F.14"--T.p. verso. },
	url = {http://www.unescap.org/pmd/tsunami/documents/TSU-MappingStudy-2009.pdf }
}