Sabban، M. A. A.، و Lee، V. W. (1991). SCATTERING AND DIFFRACTION OF PLANE ELASTIC WAVES BY THREE-DIMENSIONAL SEMI-CIRCULAR CYLINDRICAL CANYONS IN AN ELASTIC HALF SPACE (رسالة دكتوراه غير منشورة). University of Southern California، لوس أنجلوس. مسترجع من http://search.mandumah.com/Record/613848
Sabban، Mohammed Abd Allah، و Vincent W. Lee. "SCATTERING AND DIFFRACTION OF PLANE ELASTIC WAVES BY THREE-DIMENSIONAL SEMI-CIRCULAR CYLINDRICAL CANYONS IN AN ELASTIC HALF SPACE" رسالة دكتوراه. University of Southern California، لوس أنجلوس، 1991. مسترجع من http://search.mandumah.com/Record/613848