Peng, Liqun, Qiang Zhang, Zhiliang Yao, Denise L. Mauzerall, Sicong Kang, Zhenyu Du, Yixuan Zheng, Tao Xue, and Kebin He. 2019. “Underreported Coal in Statistics: A Survey-Based Solid Fuel Consumption and Emission Inventory for the Rural Residential Sector in China”. Applied Energy 235: 1169-82.