TY - BOOK AU - Venkataraman,G. AU - Feldkamp,L.A. AU - Sahni,V.C. TI - Dynamics of perfect crystals SN - 0262220199 PY - 1975/// CY - Cambridge, Mass PB - M.I.T. Press KW - Lattice dynamics KW - Crystal lattices KW - Lattice theory N1 - Bibliography : p. 491-506 ER -