TY  - BOOK
AU  - Champion,F.C.
AU  - Davy, N. 
TI  - Propertics of matter
U1  - 530.1 
PY  - 1961///
CY  - London
PB  - Blackle & son
KW  - Physics
KW  - পদার্থবিদ্যা
ER  -