There are more than 100 scientific papers published in refereed journals each year that make important use of the ISC Bulletin data. Notably, one them is currently listed by the JGR Sold Earth (AGU) as one of the most popular papers:

Li C., and R.D. van der Hilst (2010), Structure of the upper mantle and transition zone beneath Southeast Asia from traveltime tomography, J. Geophys. Res., 115, B07308, doi:10.1029/2009JB006882