TY - BOOK AU - Doeleman,Jacobus A. ED - Australian Centre for International Agricultural Research. TI - Biological control of Salvinia molesta in Sri Lanka: anassessment of costs and benefits SN - 0949511978 PY - 1989/// CY - Canberra PB - Australian Centre for International Agricultural Research KW - Salvinia molesta KW - Biological control KW - Sri Lanka ER -