[1]
Nyholm, N.E.I. 2015. Variation and significance of egg mass in a Pied Flycatcher Ficedula hypoleuca population in subalpine habitats in Swedish Lapland.
Ornis Svecica
. 25, 3–4 (Oct. 2015), 119–130. DOI:https://doi.org/10.34080/os.v25.22536.