Halse, S.A. 1986. Parrot damage in apple orchards in south-western Australia – a review. Technical Report 8. Department of Conservation and Land Management, Perth, 75 pp. Download
Halse, S.A. 1986. Parrot damage in apple orchards in south-western Australia – a review. Technical Report 8. Department of Conservation and Land Management, Perth, 75 pp. Download