1. Imaging and condition diagnosis of underground sewer liners via active and passive infrared thermography: A case study in Singapore. (February 2019) Authors: Sham, Janet F.C.; Lai, Wallace W.L.; Chan, Wing; Koh, Chee Lin Journal: Tunnelling and underground space technology Issue: Volume 84(2019) Page Start: 440 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗