Biological control of weeds : A world catalogue of agents and their target weeds. Ed 2
- 2nd ED
- Oxon C.A.B International willing ford 1987
- 144p
M.H. Julien: Biological control of weeds : A world catalogue of agents and their target weeds. Ed 2. (2nd ED) Oxon. C.A.B International willing ford, 1987. 0-85198-595-5--(632.96JUL)