Guo, Qinghua (2002). “The Chinese Domestic Architectural Heating System [Kang]: Origins, Applications and Techniques”. Architectural History (SAHGB Publications Limited) 45: 32–48. doi:10.2307/1568775. JSTOR1568775.
Zhuang, Zhi; Li, Yuguo; Chen, Bin; Jiye; Guo (2009), “Chinese kang as a domestic heating system in rural northern China—A review”, Energy and Buildings41 (1): 111–119, doi:10.1016/j.enbuild.2008.07.013
jstor.org
Guo, Qinghua (2002). “The Chinese Domestic Architectural Heating System [Kang]: Origins, Applications and Techniques”. Architectural History (SAHGB Publications Limited) 45: 32–48. doi:10.2307/1568775. JSTOR1568775.