https://www.bto.org/our-work/science/publications/papers/uk-nest-record-scheme-its-value-science-and
The UK Nest Record Scheme: its value for science and conservation
The UK Nest Record Scheme: its value for science and conservation
Citation
Crick, H.Q.P., Baillie, S.R. & Leech, D.I. 2003. The UK Nest Record Scheme: its value for science and conservation. Bird Study 50: 270. doi:10.1080/00063650309461318