Luvre-015nyholmmflaggvag
Oikos 19: 149-151. Copenhagen 1968 A balance for weighing eggs of smaller birds in the field E. NYHOLM1 and 0. GINSTRUP2 1. Introduction As a part of extensive field ornithological in- vestigations in the Ammarnms area of Swedish Lapland (Enemar 1966) the breeding biology of some smaller passerine species has been studied. In this connection the influence of environmental factors on production cap
https://www.luvre.lu.se/sites/luvre.lu.se/files/luvre-015nyholmmflaggvag.pdf - 2025-12-09
