TY  - GEN
AU  - Jayaratne , Osmund
AU  - Jayasinghe , E.M.
TI  - Physics: general physics and thermal physics block 1-A
U1  - 536.7 
PY  - 1983///
CY  - Nugegoda
PB  - Open University
KW  - Heat
KW  - Physics
KW  - Thermodynamics
ER  -