Liddle, Brantley (2003) Demographic Dynamics and Sustainability: Insights from an Integrated, Multi-country Simulation Model. In: New Challenges for Sustainable Development in Millennia. Liu, Chao-han , Yeh, Jiunn-rong and Huang, Chung-Huang , eds. UN NGO Policy Series (3). Chung-Hua Institution for Economic Research (CIER) Press, Taipei, Taiwan, pp. 175-205.