https://www.bto.org/our-work/science/publications/reports/research-reports/monitoring-farmland-birds-britain-composition-and
Monitoring farmland birds in Britain: Composition and representativeness of Common Birds Census samples
Monitoring farmland birds in Britain: Composition and representativeness of Common Birds Census samples
Citation
Fuller, R.J., Marchant, J.H. & Morgan, R.A. 1984. Monitoring farmland birds in Britain: Composition and representativeness of Common Birds Census samples.
