B.B. Guzina and I. Chikichev (2004). “On the use of Second-order Topological Information for Subsurface Imaging by Elastic Waves.” XXI International Congress on Theoretical and Applied Mechanics}, Warsaw, Poland, August 2004.

B.B. Guzina and I. Chikichev (2004). “On the use of Second-order Topological Information for Subsurface Imaging by Elastic Waves.”  XXI International Congress on Theoretical and Applied Mechanics}, Warsaw, Poland, August 2004.