Books by Ian Willoughby
Reducing pesticide use in forestry
Weed control in Christmas tree
Weed control in Christmas tree plantations
Herbicides for Farm Woodlands
Herbicides for Farm Woodlands and Short Rotation Coppice
The use of herbicides in the forest
The use of herbicides in the forest 1995
A five-yearly financial review
A five-yearly financial review of the performance of Pilkington Brothers Limited