TY  - BOOK
AU  - Demkovič, V. P.
TI  - Questions and problems in physics
PY  - 1964///
CY  - Μ.
PB  - "Prosveshcheniye"
KW  - Фз-0(Рук.пос.)[В3я7-4]
KW  - rubbk
ER  -