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\bibitem{Zhang_etal2015} Zhang, W., Liu, C., Zheng, X., Zhou, Z., Cui, F., Zhu, B., et al. (2015). Comparison of the DNDC, LandscapeDNDC and IAP-N-GAS models for simulating nitrous oxide and nitric oxide emissions from the winter wheat{\textendash}summer maize rotation system. \textit{Agricultural Systems}, \textit{140}, 1--10.

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