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APA Citation
Delcea Camelia, P., Zhang, J., Ran, M., Han, G., & Yao, G. (2015). grey modeling based on the transformation of Aarc cot x+B function. Grey systems, 5(2), 157–164. http://access.bl.uk/ark:/81055/vdc_100025990218.0x000025
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Delcea Camelia, P., Zhang, J., Ran, M., Han, G., & Yao, G. (2015). grey modeling based on the transformation of Aarc cot x+B function. Grey systems, 5(2), 157–164. http://access.bl.uk/ark:/81055/vdc_100025990218.0x000025