1. Research on Urban Clean Energy System Evolution Model Based on Grey Theory. Issue 2 (March 2021) Authors: Lu, Yingwei; Gu, Ming; Bai, Xiaolei; Wei, Geran Journal: IOP conference series Issue: Volume 692:Issue 2(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗