SLS 676 : 1984 : Methods of sampling of heavy minerals.
- Colombo SLSI 1984
- 09 p.
STD2867
SLS 677
a622.349.42:620.113
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA
STD2867
SLS 677
a622.349.42:620.113
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA