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APA Citation
Zhang, J., Li, Q., Amiinu, I. S., Wu, H., Zhang, C., Cheng, K., Zhou, H., & Mu, S. (2015). improved oxygen reduction activity of porous carbon materials by self-doping nitrogen derived from PVP with urea as a promoter. Electrochimica acta, 177, 73–78. http://access.bl.uk/ark:/81055/vdc_100042112734.0x000061