https://www.bto.org/our-work/science/publications/papers/programs-processing-bird-ringing-data-bbc-micro
Programs for processing bird ringing data on the BBC Micro-computer
Programs for processing bird ringing data on the BBC Micro-computer
Citation
Baillie, S. 1986. Programs for processing bird ringing data on the BBC Micro-computer. BTO, Tring
