ඛණිජ, පාෂාණ හා පරිසරය
= Minerals, Rock and environment
- Peradeniya A Geological Dociety of Sri Lanka 1997
- [4],70p. Illustration 26cm x 18cm
- Special publication no.03 .
9555890161
Minerals - Sri Lanka
Rock - Sri Lanka
Geology - Sri Lanka
552 / GSS
9555890161
Minerals - Sri Lanka
Rock - Sri Lanka
Geology - Sri Lanka
552 / GSS