TY - GEN AU - Julien, M.H. compiled & AU - Griffiths, M.W. compiled & TI - Biological control of weeds : a world catalouge of agents and their target weeds SN - 085199234X U1 - 632.5016 PY - 1998/// CY - Wallingford PB - CABI Publishig KW - Weeds-Biological control KW - Biological pest control agents ER -