Emanuele Casarotti Marco Stupazzini Shiann Lee Dimitri Komatitsch Antonio Piersanti Jeroen Tromp CUBIT and Seismic Wave Propagation Based Upon the Spectral-Element Method: An Advanced Unstructured Mesher for Complex 3D Geological Media . 579-597 2007 IMR http://dx.doi.org/10.1007/978-3-540-75103-8_32 conf/imr/2007 db/conf/imr/imr2007.html#CasarottiSLKPT07