Unity of objective, diversity of approach: deregulatory telecom developments in Hong Kong and China. - Douglas C. Pitt; Niall Levine; Xu Yan 001 (IEEE Commun. Mag., 1999)

International direct dialing quality in a competitive transitional telecommunications market. - Xu Yan 001; James Y. L. Thong (IEEE Commun. Mag., 2001)

Mobile data communications in China. - Xu Yan 001 (Commun. ACM, 2003)