Yan Jinxiu. (2019) Technical Challenges and Solutions for Super-Long Mountainous Tunnels at Great Depth. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>50</i>(2), pp 131-135.Yan Jinxiu. "Technical Challenges and Solutions for Super-Long Mountainous Tunnels at Great Depth". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 50 (2019):pp 131-135.Yan Jinxiu. Technical Challenges and Solutions for Super-Long Mountainous Tunnels at Great Depth. Southeast Asian Geotechnical Society:ม.ป.ท. 2019.