TY  - BOOK
AU  - Singh, R.K
TI  - Phonons in condensed matter physics 
SN  - 81-224-0086-8
U1  - 530.416 
PY  - 1990///
CY  - Delhi
PB  - Wiley Eastern
KW  - Solid state physics
KW  - Physics-  Matter
ER  -