E. H. Rong, S.C. Li, Z. G. Zhao, M. C. Feng, C. Wang, M. J. Zhang, R. Li, R. Y. Wang, and W. D. Yang. "CHANGES IN WINTER WHEAT GROWN UNDER IRRIGATED AND RAINFED CONDITIONS." Journal of Animal and Plant Sciences, vol. 23, no. 6, 2013, pp. 1700-1708.