@article{Shi2008, author = {Shi, J. and Qureshi, M. N. S. and Torkar, K. and Dunlop, M. and Liu, Z. and Zhang, T. L.}, year = {2008}, pages = {1431–1437}, title = {An interpretation for the bipolar electric field structures parallel to the magnetic field observed in the auroral ionosphere}, volume = {26}, journal = {Ann. Geophys.} }