TY  - GEN
AU  - Herath, J.W.
TI  - Industrial clays of Sri Lanka : : geology, mineralogy and appraisal for ceramics and other industries
PY  - 1973///
CY  - Colombo
PB  - Gelogical Survey Department
KW  - CLAY PRODUCTS - Sri Lanka
KW  - CERAMIC PRODUCTS - Sri Lanka
ER  -