TY  - GEN
TI  - Acoustic anomaly and the Landau free energy of incommensurate K2SeO4
SN  - 0163-1829
PY  - 1990///
PB  - Physical review. B, Condensed matter
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1103/physrevb.42.4406
ER  -