@article {38135,
	title = {The colloid stabilities of SiO2 Sols : the influence of Ca2+, Mg2+, EDTA and humic acid},
	volume = {7},
	year = {1991},
	pages = {195-200},
	publisher = {AOSTRA Journal of Research},
	author = {Cheng, Stephen Y. S. and Huie, Raymond and Xu, Yingnian and Koga, Yoshikata}
}
