Zhao, XBZhao, JCai, JGHefny, AM2008-12-022008-12-02200810.1016/j.compgeo.2007.01.001https://infoscience.epfl.ch/handle/20.500.14299/32079WOS:00025309360000812193UDEC modelling on wave propagation across fractured rock massestext::journal::journal article::research article