000 004950000a22001690004500
008 160108t1988 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a549.1(548.7)
_bS3
942 _cBK
100 _aSARATHCHANDRA, W.
100 _aDHARMARATNE, P.G.R.
245 _aGeological studies of the source rock of gem minerals in the area around Hatharabage
260 _aMoratuwa
_bUniversity of Moratuwa
_c1988
300 _a22 p., ill.
650 _aMINERALOGY
650 _aPRECIOUS:STONES
999 _c126169
_d126169