000 | 006270000a22001690004500 | ||
---|---|---|---|
008 | 170921t1973 xxu||||| |||| 00| 0 eng d | ||
041 | _aeng | ||
080 |
_a666.32(548.7) _bH4 |
||
942 |
_cBK _02 |
||
100 | _aHerath, J.W. | ||
245 |
_aIndustrial clays of Sri Lanka : _bgeology, mineralogy and appraisal for ceramics and other industries |
||
260 |
_aColombo _bGelogical Survey Department _c1973 |
||
300 |
_axii,113p. : charts, ill., maps, tables , _bBibliography included |
||
440 | _aGeological Survey Department economic bulletin ; no.1 | ||
650 | _aCLAY PRODUCTS - Sri Lanka | ||
650 | _aCERAMIC PRODUCTS - Sri Lanka | ||
999 |
_c96175 _d96175 |