https://www.bto.org/our-work/science/publications/reports/research-reports/re-evaluation-aims-and-methods-common-birds-census
A re-evaluation of the aims and methods of the Common Birds Census
A re-evaluation of the aims and methods of the Common Birds Census
Citation
O'Connor, R.J. & Fuller, R.J. 1984. A re-evaluation of the aims and methods of the Common Birds Census.
