@article {21003,
	title = {Acid-base and catalytic properties of (K,Na) ZSM-5 zeolites},
	journal = {Chemical Journal of Chinese Universities},
	volume = {13},
	year = {1992},
	pages = {1274-1278},
	author = {KY Tao and F. Gao and LY Wen and Chen, Z. M. and YR Zang and HX Li}
}
