TY  - GEN
AU  - Weerawardhana , Senarath
TI  - අපේ විශ්වය
SN  - 9559687905
U1  - 523.1 
PY  - 1999///
CY  - Dankotuva
PB  - Wasana Prakashakayo
KW  - Astronomy and allied sciences
KW  -  Universe
KW  -   Solar system
ER  -