@article{article, title = {The phosphorus footprint of China's food chain: implications for food security, natural resource management, and environmental quality}, author = {}, year = {2011}, journal = {Journal of Environmental Quality}, volume = {40}, number = {4}, pages = {1081-1089}, howpublished = "\url{https://eurekamag.com/research/056/432/056432520.php}" }