Hogstad, Olav, Norway

• Det Kongelige Norske Videnskabers Selskabs Skrifter 2011 No. 4 - Articles
  Svein Haftorn Contribution to the food biology of tits, especially about storing of surplus food. Part IV. A comparative analysis of Parus atricapillus L., P.cristatus L. and P. ater L.
  Abstract  PDF