TY  - GEN
AU  - Gunasinghe , R.M.
AU  - Alahakoone , Dushanthie  
AU  - Kularatne , Rupika 
AU  - Sumanawathie , P.D
AU  - Abeydeera , D.R
AU  - Hettiarachechi , R.D.
TI  - Physics properties of matter block 4 
U1  - 530.4 
PY  - 1986///
CY  - Nugegoda
PB  - Open University
KW  - States of Matter
KW  - Physics
ER  -