@article {16411,
	title = {Novel technology for sewage sludge utilization: Preparation of amino acids chelated trace elements (AACTE) fertilizer},
	journal = {Journal of Hazardous Materials},
	volume = {171},
	year = {2009},
	pages = {1159 - 1167},
	author = {Yangsheng* Liu and Sifang Kong and Yaqiong Li and Hui Zeng}
}
