https://www.bto.org/our-work/science/publications/papers/some-new-approaches-conservation-monitoring-british
Some new approaches to conservation monitoring of British breeding birds
Some new approaches to conservation monitoring of British breeding birds
Citation
Greenwood, J.J.D., Baillie, S.R., Gregory, R.D., Peach, W.J. & Fuller, R.J. 1995. Some new approaches to conservation monitoring of British breeding birds. Ibis 137: 28. doi:10.1111/j.1474-919X.1995.tb08437.x
