Authors: Simmons, NA Gurrola, H

Citation: Na. Simmons et H. Gurrola, Multiple seismic discontinuities near the base of the transition zone in the Earth's mantle, NATURE, 405(6786), 2000, pp. 559-562

Authors: Simmons, NA Peterson, JW Hale, C

Citation: Na. Simmons et al., Surveillance of suicidal behavior in Kitsap County, Washington: A retrospective study, PUBL HEAL N, 16(5), 1999, pp. 337-340