@book{91107,
	author = {Zhu, Ling and Preeda Pakpian, and AIT employee Student,},
	title = {A preliminary study on heavy metal removal from contaminated soils using supercritical fluid extraction},
	publisher = {Asian Institute of Technology,},
	year = {1999},
	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=B12038}
}