TY  - GEN
AU  - Hettiarachchi , R.D.
AU  - Abeysuriya , W.D.B.S. 
TI  - Physics: introduction to thermodynamics and statistical mechanics block 3-A
U1  - 536.7 
PY  - 1987///
CY  - Nugegoda
PB  - Open University
KW  - Physic
ER  -