https://www.bto.org/our-work/science/publications/reports/research-reports/00249-birds-and-sustainable-agriculture
Birds and sustainable agriculture at Colworth Park: a progress report for winter 1999/2000 and summer 2000
Birds and sustainable agriculture at Colworth Park: a progress report for winter 1999/2000 and summer 2000
Citation
Henderson, I., Holloway, S. & Clark, N. 2000. Birds and sustainable agriculture at Colworth Park: a progress report for winter 1999/2000 and summer 2000.