@article{Cheng2011, author = {Cheng, Z.-W. and Zhang, T. L. and Wang, S.-G. and Liu, Z.-X.}, year = {2011}, pages = {099401}, title = {Field-aligned currents at the PSBL on 17 August 2001 storm: Relationships with solar wind conditions}, volume = {28}, journal = {Chin. Phys. Lett.} }