1. Investigation of Large-Diameter Borehole for Enhancing Permeability and Gas Extraction in Soft Coal Seam. (30th December 2020) Authors: Wang, Yongwen; Yan, Wanjun; Ren, Zhongjiu; Yan, Zhiqiang; Liu, Ziwen; Zhang, Heng Other Names: Cai Yi-Dong Academic Editor. Journal: Geofluids Issue: Volume 2020(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗