SARIS F (1991) Boekbespreking: Koskimies, P. ... (et al.), Monitoring bird populations. A manual of methods applied in Finland, 1991. LIMOSA 64 (3): 121-121.

KOSKIMIES P. & VAISANEN R. A. 1991. Monitoring Bird Populations. A Manual of Methods Applied in Finland. Zoological Museum, Finnish Museum of Natural History, Helsinki (Natural History Book Service, Totnes, Devon). 144 p.

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