TY  - GEN
AU  - Silva, T. K. Nimal P. De
AU  - Uragoda, C. G. 
AU  - Mendis, D. L. O. 
AU  - Wickramanayaka,  V. E. A. 
TI  - Scientific principles seen in ancient artefacts and monumental structures
U1  - 630.1 
PY  - 1995///
CY  - Colombo
PB  - Natural  Resources Energy and Science Authority of SriLanka
KW  - Technology
KW  - Agriculture and related technology
ER  -