The following publications are possibly variants of this publication:
- Sustainability of a typical biogas system in China: Emergy-based ecological footprint assessmentX. F. Wu, Q. Yang, X. H. Xia, T. H. Wu, X. D. Wu, L. Shao, T. Hayat, A. Alsaedi, G. Q. Chen. ecoi, 26(1):78-84, 2015. [doi]