1. Asano S., H. Okada, T. Yoshii, K. Yamamoto, T. Hasegawa, K. Ito, S. Suzuki, A. Ikami, and K. Hamada, 1979, Crust and upper mantle structure beneath northeastern Honshu, Japan as derived from explosion seismic observations, J. Phys. Earth, 27 Suppl., S1-S13.
2. Aoki, T., T. Tada, Y. Sasaki, T. Ooida, I. Muramatu, H. Shimamura, and I. Furuya, 1972, Crustal structure in the profile across central Japan as derived from explosion seismic observations, J. Phys. Earth, 20, 197-223.
3. Furuse, N., 1990, Gravity contribution due to the descending lithospheres under the Japanese Islands and evaluation of gravity anomaly caused by the crustal structure, Dissertation of Doctor thesis, Graduate School of Natural Science and Technology, Kanazawa University, pp. 193.
4. Furuse, N. and Y. Kono, 2003, Slab residual gravity anomaly: gravity reduction due to subducting plates beneath the Japanese Islands, J. Geodynamics, 36, 497-514.