TY  - GEN
AU  - De Silva , Ranjith Premalal.
TI  - Geo-informatics directory
SN  - 9555890641
U1  - 910.28503 
PY  - 2003///
CY  - Peradeniya
PB  - PGIA
KW  - GLOBAL POSITIONING SYSTEMS
KW  - GEOGRAPHICAL INFORMATION SYSTEMS
KW  - GEOGRAPHY AND TRAVEL
KW  - OPTICAL AND MICROWAVE
ER  -