TY  - BOOK
AU  -  Doeleman,Jacobus A.
TI  -  Biological control of Salvinia molesta in Sri Lanka : :  an assessme nt of costs and benefits / 
PY  - 1989///
CY  -  Canberra : 
PB  -  Australian Centre for International Agricultural Resea rch, 
KW  -  Salvinia molesta
KW  -  Sri Lanka
N1  -  Includes bibligraphical references
ER  -