@article{Hosokawa2010a, author = "K. Hosokawa and T. Tsugawa and K. Shiokawa and Y. Otsuka and N. Nishitani and T. Ogawa and M. R. Hairston", title = "Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm", year = 2010 , journal = "J. Geophys. Res.", volume = 115, keywords = "rbo", doi = "10.1029/2010JA015848" }