Quantifying immediate price impact of trades based on the k-shell decomposition of stock trading networksWen-Jie Xie, Ming-Xia Li, Hai-Chuan Xu, Wei Chen, Wei-Xing Zhou and H. Eugene StanleyEPL, 116 2 (2016) 28006DOI: https://doi.org/10.1209/0295-5075/116/28006