Waves in microstructured solids and negative group velocityPeets, Tanel; Kartofelev, Dmitri; Tamm, Kert; Engelbrecht, JüriEPL: a letters journal exploring the frontiers of physics2013 / p. 16001-p1-p6 : ill https://doi.org/10.1209/0295-5075/103/16001 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS