@book{19995,
	author = {Perera, Yahampath Arachchige Preethi and Vigneswaran, S., and Royal Danish Government,},
	title = {Comparison of performance of radial, and upflow filters with conventional filters},
	publisher = {Asian Institute of Technology,},
	year = {1982},
	series = {Thesis ;},
	address = {Bangkok :},
	note = {A thesis submitted in paSchool of Environment, Resources and Developmentrtial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development},
	url = {http://203.159.5.9/ait-thesis/detail.php?q=B21179}
}