1. A novel tree-shaped ground heat exchanger for GSHPs in severely cold regions. (5th January 2019) Authors: Pu, Liang; Xu, Lingling; Qi, Di; Li, Yanzhong Journal: Applied thermal engineering Issue: Volume 146(2019) Page Start: 278 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗