Geochemical characteristics and genesis of coalbed methane in Baode area on the eastern margin of Ordos BasinWeiqiang Hu, Xin Chen, Yangbing Li, Litao Ma, Wang Yuesheng, Cheng Liu, Panpan Li, Ying Huang, Fang Qiao, Zaizhen Liu, Chenchen Li, Anlan Li and Duo WangE3S Web Conf., 206 (2020) 01019DOI: https://doi.org/10.1051/e3sconf/202020601019