000 00432nam a2200157Ia 4500
003 NIELib
008 211019s9999||||xx |||||||||||||| ||und||
082 _a507.2
_bDES
100 _aDe Silva, M. A. T.
245 _aSri Lanka Science Technology Indicators
260 _bNatural Resources,
_c1988.
_aColombo :
300 _a130p.;
_c29cm
650 0 _aScience and Technology
700 _aWijetileka, K. K.G.V.
942 _2ddc
_cSR
999 _c30219
_d30219