TY  - GEN
AU  - Ranathunga , Nandana U.K
AU  - Dissanayake , Udaya 
AU  - Ranasinghe , Kokila
TI  - Higher capacity ferrocement tanks
U1  - 628.13 
CY  - Ratmalana
PB  - NORAD/NWSDB
KW  - ENVIRONMENTAL ECONOMICS
ER  -