| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c4965 _d4965 |
||
| 003 | OSt | ||
| 005 | 20170813105849.0 | ||
| 008 | 170812b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cNARA | ||
| 100 |
_913761 _aAbeysinghe, P.B. |
||
| 245 | _aScience Education Series No-23 : Limestone Resources of Sri Lanka | ||
| 260 |
_aSri Lanka, _bNatural Resources Energy & Science Authority, |
||
| 300 |
_a60p. _c23cm. |
||
| 650 | 0 |
_913762 _aLimestone Resources of Sri Lanka |
|
| 650 | 0 |
_913754 _aScience Education Series |
|
| 942 |
_2udc _cSL-B |
||