@book{17921,
	author = {Hughes, J. Donald},
	title = {An environmental history of the world},
	publisher = {Routledge,},
	year = {2009},
	series = {Routledge studies in physical geography and environment},
	address = {London ;},
	edition = {2nd ed.},
	note = {This edition published in the Taylor & Francis e-Library, 2009},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=289749}
}