TY  - GEN
AU  - Selvaratnam , M.
AU  - Tantrigoda , Ramani U.
AU  - Tantrigoda , Ramani U.
TI  - Chemistry part 1: physical quantites their interrrelationships and S I units  
U1  - 540.1 
PY  - 1995///
CY  - Nugegoda
PB  - Open University
KW  - Chemistry
KW  - Philosophy and Theory
ER  -