@article{TUW-121077, author = {Ichikawa, Ryuichi and Sekido, Mamoru and Hobiger, Thomas and Kondo, Tetsuro and Koyama, Yasuhiro}, title = {Analysis Center at National Institute of Information and Communications Technology}, journal = {IVS Annual Report}, year = {2007}, volume = {NASA/TP-2007-214151}, pages = {216--219} }