1. Cheng, B. (1986), “Grey control of industrial process”, Journal of Wuhan Industrial Institute, Vol. 2 No. 1, pp. 11‐23.
2. Dang, Y.G., Liu, S.F. and Zhang, Z. et al. (2003), “Industrial structure adjustment of Jiangsu province with ‘Turnpike’ model”, Journal of Southern Yangtze University, Vol. 2 No. 5, pp. 526‐30 (in Chinese).
3. Control problems of grey systems
4. Deng, J.L. (1986), “On grey prediction controller”, Exploration of Nature, Vol. 5 No. 4, pp. 59‐68.
5. Fang, Z.G. and Liu, S.F. et al., (2005), “Study on improvement of token and arithmetic of interval grey numbers and its GM(1,1) model”, Engineering Science, Vol. 7 No. 2, pp. 57‐61.