Mingwu Wang Juliang Jin Li Li SPA-VFS Model for the Prediction of Rockburst. 34-38 2008 FSKD (5) http://dx.doi.org/10.1109/FSKD.2008.9 conf/fskd/2008-5 db/conf/fskd/fskd2008-5.html#WangJL08