TY  - RPRT
TI  - Phonon spectrum for barium ferrite.
AU  - SP Marshall
AU  - JB Sokoloff
PY  - 1991
DO  - 10.1103/physrevb.44.619
UR  - https://pubmed.ncbi.nlm.nih.gov/9999161/
ID  - 9999161
ER  -