- [Wiki]
http://en.wikipedia.org/wiki/Calcarius_lapponicus.
- [AnAge]
http://genomics.senescence.info/species/entry.php?species=Calcarius_lapponicus.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.
- [PereKrau2016]
Pérez, J. H., Krause, J. S., Chmura, H. E., Bowman, S., McGuigan, M.,
Asmus, A. L., Meddle, S. L., Hunt, K. E., Gough, L., Boelman, N. T., and
Wingfield, J. C. (2016).
Nestling growth rates in relation to food abundance and weather in
the arctic.
The Auk, 133:261--272. doi:10.1642/AUK-15-111.1.
- [PrinPres1991]
Prinzinger, R., A.Preßmar, and Schleucher, E. (1991).
Body temperature in birds.
Comp. Biochem. Physiol., 99A(4):499--506. doi:10.1016/0300-9629(91)90122-S.