TY  - BOOK
AU  - Landsberg, G. S. ,ed.
TI  - Text book of elementary physics
U1  - 530 
PY  - 1972///
CY  - Moscow
PB  - Mir
KW  - Elementary physics
KW  - Solid physics
N1  - Includses index; V.3. Oscillations and waves optics
ER  -