TY  - RPRT
TI  - Phonon calculations in superperiodic structures: The surface Green-function matching approach.
AU  - VR Velasco
AU  - F Garcia-Moliner
AU  - L Miglio
AU  - L Colombo
PY  - 1988
DO  - 10.1103/physrevb.38.3172
UR  - https://pubmed.ncbi.nlm.nih.gov/9946657/
ID  - 9946657
ER  -