000 00567nam a22002057a 4500
999 _c50521
_d52068
003 ISURa
008 180523b xxu||||| |||| 00| 0 eng d
020 _a9789555733007
041 _aSinhala
082 _a553.8
_bAYU
100 _aAyub , A.
_957742
245 _aමැණික් ලෝකය
260 _aNugegoda
_bSarasavi
_c2004
_g2014
300 _a225 p.
_bcol. ill.
_c21 cm.
650 _aGems
_957743
650 _aGem Industry - Sri Lanka
_957744
650 _aEconomic Geology
_913964
700 _aPathberiya , Piyadasa
_etr.
_957745
942 _2ddc
_cLN