@book{6649,
	author = {Vichian Udomratanasilpa and Nguyen, Cong Thanh,  and Carl Duisburg Gesellschaft, e.v. (COG) Government of the Federal Republic  of Germany, },
	title = {Application of horizontal flow prefiltration and slow sand filtration for small community water supply},
	publisher = {Asian Institute of Technology,},
	year = {1984},
	series = {Thesis ;},
	address = {Bangkok :},
	note = {A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science, School of Environment, Resources and Development},
	url = {http://203.159.5.9/ait-thesis/detail.php?q=B20588}
}