TY - RPRT TI - A simple algorithm for sequentially incorporating gravity observations in seismic traveltime tomography AU - T. Parsons AU - R.J. Blakely AU - T.M. Brocher PY - 2010 DO - 10.1080/00206810109465061 UR - https://pubs.usgs.gov/publication/70023518 ID - 70023518 ER -