BIJLSMA RG (1988) Book reviews: Brown, R. ... (et al.) 1987. Tracks and signs of the birds of Britain and Europe. LIMOSA 61 (1): 53-53.
BROWN R., FERGUSON J., LAWRENCE M. & LEES D. 1987. Tracks and signs of the birds of Britain and Europe. An identification guide. Croom Helm, London. 232 p.
