%0 Journal Article %A K. Akiyama %A R. Takahashi %A M. Honma %A T. Oyama %A H. Kobayashi %B PASJ %D 2013 %G eng %P 91 %R 10.1093/pasj/65.4.91 %T Multi-Epoch VERA Observations of Sagittarius A*. I. Images and Structural Variability %V 65