@article{Zhang2018ExtremeDS,
  title={Extreme drought stress shifts net facilitation to neutral interactions between shrubs and sub‐canopy plants in an arid desert},
  author={Ge-fei Zhang and Wenzhi Zhao and Haibin Zhou and Qiyue Yang and Xiaofen Wang},
  journal={Oikos},
  year={2018},
  volume={127},
  pages={381-391}
}