Egg-laying dates of birds (section 30); small bird population changes (section 31) (updated 2003/4: http://www.ecn.ac.uk/iccuk/)

Author(s): Crick, H.Q.P.

Editors(s): Cannell, M.G.R., Palutikof, J.P. & Sparks, T.H.

Published: January 1999

Publisher: DETR & NERC

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Egg-laying dates of birds (section 30); small bird population changes (section 31) (updated 2003/4: http://www.ecn.ac.uk/iccuk/)

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