TY  - GEN
AU  - Senanayake , Willie
AU  - Hettiarachchi , R.D. 
AU  - Abeysuriya , W.D.B.S
TI  - Physics psu  2111: thermodynamics and related concepts  block 3 B
U1  - 537.71 
CY  - Nugegoda
PB  - Open University
KW  - THERMODYNAMICS
KW  - PHYSICS
ER  -