@book{216744,
	author = {UN. ESCWA},
	title = {Compendium of enviroment statistics in the ESCWA region, 2008-2009},
	publisher = {UN, 9 Dec. 2009},
	address = {New York},
	note = {Annexes (120-166): 1. Definitions by chapter -- 2. WHO Drinking Water Guidelinas -- c. WHO Air Quality Guidelines -- UNSD/UNEP Questionnaries on enviroment 2008.},
	url = {http://daccess-ods.un.org/access.nsf/Get?Open&DS=E/ESCWA/SD/2009/13&Lang=E}
}