A Mirjalili, H Jamshidi Aval, S Serajzadeh [...]
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Liang Wang, Peishan Zhou, Chengwu Cui [...]
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Y. N. Chen, J. F. Wei, Y. Q. Zhao
Jin-tao Song, Hai-tao Liu, Ke-xing Song [...]
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B. Zhang, X. D. Peng, Y. Ma [...]
Z. Q. Chen, M. H. Loretto
, Peishan Zhou, Chengwu Cui 
