1. Aonashi, K., Y. Shoji, R. Ichikawa, and H. Hanado, Estimation of PWC gradients over the Kanto Plain using GPS data: Validation and possible meteorological implications, Earth Planets Space, 52, 907–912, 2000.
2. DeMets, C., R. G. Gordon, D. F. Argus and S. Stein, Effect of recent revisions to the geomagnetic reversal time scale on estimates of current plate motion, Geophys. Res. Lett., 21, 2,191–2,194, 1994.
3. Hasegawa, A. and N. Hirata, An introduction to the transect of northeastern Japan: Deformation of island-arc and crustal activity, Chikyu, Supl. 27, 5–11, 1999 (in Japanese).
4. Hasegawa, A. and J. Nakajima, Geophysical constraints on slab subduction and arc magmatism, AGU Geophysical Monograph (in press).
5. Hasegawa, T., S. Hori, T. Hasegawa, K. Kasahara, S. Horiuchi, and J. Koyama, On the focal mechanism of the Southeastern Akita Earthquake in 1970, J. Seismol. Soc. Jpn., 27, 302–312, 1974 (in Japanese with an English abstract).