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APA Citation
Zhang, C., Yang, K., Wang, M., Gao, P., Cheng, F., Li, Y., & Xia, T. (2019). a new vegetation heavy metal pollution index for detecting the pollution degree of different varieties of maize under copper stress. Remote sensing letters, 10(5), 469–477. http://access.bl.uk/ark:/81055/vdc_100077376949.0x00000f