Lees, J.M., (1992). The magma system of Mount St. Helens: Non-linear high resolution P-wave tomography. J. Volc. Geoth. Res., 53(1-4): 103-116.
Lees, J.M. and Crosson, R.S., (1989). Tomographic inversion for three-dimensional velocity structure at Mount St. Helens using earthquake data. J. Geophys. Res., 94(B5): 5716-5728.
Lees, J.M. and Crosson, R.S., (1991). Bayesian ART versus conjugate gradient methods in tomographic seismic imaging: An application at Mount St. Helens, Washington. In: A. Possolo (Editor), Spatial Statistics and Imaging. IMS Lecture Notes - Monograph Series. Inst. of Math. Statistics, Hayward, CA, pp. 186-208.
See new Kamchatka Book
Lees, J.M., Symons, N., Chubarova, O., Gorelchik, V. and Ozerov, A., (2007). Tomographic Images of Kliuchevskoi Volcano P-wave Velocity. In: J. Eichelberger, E. Gordeev, M. Kasahara, P. Izbekov and J.M. Lees (Editors), Volcanism and Subduction: The Kamchatka Region. AGU Monograph. American Geophysical Union, Washington, D.C., pp. 293-302.
Chung, T.W., Lees, J.M., Yoshimoto, K. and Fujita, E., (2008). Intrinsic and Scattering Attenuation the Mt. Fuji Region, Japan, J. Geophys. Res., pp. in review.
Lees, J.M. and Ukawa, M., (1992). The South Fossa Magna, Japan, Revealed by High Resolution P and S-Wave Travel Time Tomography. Tectonophysics, 207: 377-396.
Ohmi, S. and Lees, J.M., (1995). Three-dimensional P and S-wave velocity structure below Unzen Volcano. J. Volc. Geoth. Res., 65: 1-26.